Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.915,
    "vintage_probability": 0.51,
    "authenticity_confidence": 0.79,
    "image_quality_score": 0.79,
    "seller_misidentification_probability": 0.865,
    "confidence": 0.8,
    "recommended_max_bid": 22.5,
    "estimated_resale_low": 35,
    "estimated_resale_high": 75,
    "possible_models": [
        "Mercer S (7408)",
        "Mercer Shoulder Bag (7406)"
    ],
    "positive_evidence": [
        "photo 4: clearly visible sewn leather creed patch with Coach wordmark, horse-and-carriage emblem, period-style wording, and a No. line",
        "photo 4: creed wording states the bag was handcrafted in China from twill fabric trimmed in leather, consistent with the visible fabric-and-leather construction",
        "photo 1: embossed COACH wordmark is visible on the leather strap or trim",
        "photo 6: exterior metal plaque visibly carries COACH branding",
        "photos 2, 5 and 6: rectangular fabric shoulder-bag silhouette, leather trim, adjustable leather shoulder strap, and tidy parallel stitching are consistent with a Coach Mercer-style bag",
        "photo 4: visible style suffix appears to end in -7408, matching the seller's stated style number",
        "photo 4: sewn-in rectangular leather creed patch with COACH cartouche header and correct 2000s twill wording",
        "photo 4: creed number No. G0J-7406 in 1994-2003 MYP-SSSS format consistent with China twill bag c.2000",
        "photo 1: COACH cartouche embossed vertically in leather strap trim",
        "photo 6: COACH NEW YORK metal logo plate on exterior",
        "photo 2, photo 5, photo 6: structured rectangular shoulder silhouette with twill body and leather base\/trim consistent with early-2000s Coach fabric bags"
    ],
    "negative_evidence": [
        "photo 4: the first characters of the serial\/style code are not fully clear in the image, so the seller's reading of JOJ-7408 is not independently confirmed",
        "photos 2, 5 and 6: the visible fabric body and black leather trim do not by themselves establish Coach manufacture; this construction could be copied",
        "photo 4: the creed stamping is somewhat shallow and affected by glare, limiting detailed verification",
        "photo 2-6: black twill fabric body with leather trim, not vintage glove-tanned leather, so not pre-2000 classic",
        "photo 4: Made in China creed, not NYC\/US era",
        "seller-typed Style JOJ-7408 does not match photographed No. G0J-7406"
    ],
    "missing_information": [
        "A sharper, straight-on close-up of the complete creed and No. line in raking light",
        "A fully open interior photo showing the lining, pockets, zipper, and any additional fabric tags",
        "Close-ups of the zipper pull, strap hardware, and metal COACH plaque",
        "A full front, rear, side, and bottom view to assess corners, seams, and overall condition",
        "Confirmation of whether the code actually reads JOJ-7408 or another three-character prefix",
        "photo 4 creed is legible but year\/plant characters G0J need raking-light confirmation; seller states JOJ-7408 vs photo shows G0J-7406",
        "no full front \/ back view of bag body and closure",
        "interior lining and pockets not fully shown emptied",
        "hardware close-ups of strap buckle, clips and zipper brand missing",
        "hangtag (if any) not shown"
    ],
    "authenticity_concerns": [
        "The serial\/style prefix is not fully legible in the provided photos, so its format and consistency cannot be completely checked",
        "The seller's stated code should not be treated as verified because the photo does not make every character unambiguous",
        "No major visible replica red flag is apparent, but a creed and genuine-looking COACH plaques alone do not prove authenticity"
    ],
    "possible_model_reasoning": [
        "Mercer S (7408) is the strongest match because the seller-stated style suffix agrees with the visible creed suffix, and the photographed fabric-and-leather rectangular shoulder-bag construction fits the listed style.",
        "The China\/twill-fabric creed wording places the bag in a later vintage or Y2K-era Coach production window rather than the classic 1970s\u20131980s glove-tanned leather era.",
        "The serial prefix cannot be fully read, so a precise year or plant decode is not possible from the photos.",
        "Condition appears approximately Very Good to Good: light trim scuffing and surface wear are visible in photos 1 and 6, while interior condition, odor, bottom corners, and strap-fold condition remain insufficiently documented.",
        "Estimated resale assumes a genuine Mercer S 7408 in black with ordinary pre-owned wear and no hidden lining or hardware defects.",
        "photo 4 serial G0J-7406 decodes as G=July, 0=2000, J=plant, style 7406 under 1994-2003 system; matches HANDCRAFTED IN CHINA FROM THE FINEST TWILL FABRIC wording for 2000s non-leather bags",
        "silhouette 12-13 x 8 x 3 in per seller and tape in photo 2 and photo 5 fits Mercer \/ 7406 twill shoulder bag; seller calls it Mercer S 7408 but photo reads 7406",
        "Condition: Very Good to Good; fabric presents well overall (photo 2,5,6), light surface wear\/scuffing on leather trim per description, full corners\/bottom\/interior not shown so capped"
    ],
    "estimated_era": "1994-2003",
    "observed_features": {
        "creed_present": true,
        "serial_or_style_number_present": true,
        "coach_wordmark_present": true,
        "turnlock_present": false,
        "hangtag_present": false,
        "creed_text": "THIS IS A COACH BAG. IT WAS HANDCRAFTED IN CHINA FROM THE FINEST TWILL FABRIC TRIMMED IN LEATHER. ITS SUPERIOR CRAFTSMANSHIP AND MATERIALS REFLECT OUR COMMITMENT TO ENDURING QUALITY.",
        "serial_or_style_number": "No. [not fully legible]-7408",
        "hardware_description": "Black or dark metal COACH plaque is visible on the exterior in photo 6; no turnlock or zipper-pull detail is clearly shown. A circular emblem is visible on the creed patch in photo 4.",
        "leather_description": "Black leather trim and shoulder strap are visible, with light surface wear or scuffing on the trim. The body is black twill fabric rather than all-leather construction.",
        "lining_description": "A dark lining is partially visible around the creed and opening in photo 4, but its material and full pattern are not visible.",
        "strap_construction": "Adjustable-looking black leather shoulder strap is visible in photos 2, 5 and 6; buckle and attachment details are not clearly shown.",
        "stitching_description": "Visible stitching is generally straight and evenly spaced along the leather trim and seams in photos 1 and 6; some edge wear is visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0071,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.91,
                "vintage_probability": 0.72,
                "authenticity_confidence": 0.78,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.88,
                "estimated_era": "1994-2003",
                "possible_models": [
                    "Mercer S (7408)"
                ],
                "positive_evidence": [
                    "photo 4: clearly visible sewn leather creed patch with Coach wordmark, horse-and-carriage emblem, period-style wording, and a No. line",
                    "photo 4: creed wording states the bag was handcrafted in China from twill fabric trimmed in leather, consistent with the visible fabric-and-leather construction",
                    "photo 1: embossed COACH wordmark is visible on the leather strap or trim",
                    "photo 6: exterior metal plaque visibly carries COACH branding",
                    "photos 2, 5 and 6: rectangular fabric shoulder-bag silhouette, leather trim, adjustable leather shoulder strap, and tidy parallel stitching are consistent with a Coach Mercer-style bag",
                    "photo 4: visible style suffix appears to end in -7408, matching the seller's stated style number"
                ],
                "negative_evidence": [
                    "photo 4: the first characters of the serial\/style code are not fully clear in the image, so the seller's reading of JOJ-7408 is not independently confirmed",
                    "photos 2, 5 and 6: the visible fabric body and black leather trim do not by themselves establish Coach manufacture; this construction could be copied",
                    "photo 4: the creed stamping is somewhat shallow and affected by glare, limiting detailed verification"
                ],
                "missing_information": [
                    "A sharper, straight-on close-up of the complete creed and No. line in raking light",
                    "A fully open interior photo showing the lining, pockets, zipper, and any additional fabric tags",
                    "Close-ups of the zipper pull, strap hardware, and metal COACH plaque",
                    "A full front, rear, side, and bottom view to assess corners, seams, and overall condition",
                    "Confirmation of whether the code actually reads JOJ-7408 or another three-character prefix"
                ],
                "authenticity_concerns": [
                    "The serial\/style prefix is not fully legible in the provided photos, so its format and consistency cannot be completely checked",
                    "The seller's stated code should not be treated as verified because the photo does not make every character unambiguous",
                    "No major visible replica red flag is apparent, but a creed and genuine-looking COACH plaques alone do not prove authenticity"
                ],
                "observed_features": {
                    "creed_present": true,
                    "creed_text": "THIS IS A COACH BAG. IT WAS HANDCRAFTED IN CHINA FROM THE FINEST TWILL FABRIC TRIMMED IN LEATHER. ITS SUPERIOR CRAFTSMANSHIP AND MATERIALS REFLECT OUR COMMITMENT TO ENDURING QUALITY.",
                    "serial_or_style_number_present": true,
                    "serial_or_style_number": "No. [not fully legible]-7408",
                    "coach_wordmark_present": true,
                    "turnlock_present": false,
                    "hangtag_present": false,
                    "hardware_description": "Black or dark metal COACH plaque is visible on the exterior in photo 6; no turnlock or zipper-pull detail is clearly shown. A circular emblem is visible on the creed patch in photo 4.",
                    "leather_description": "Black leather trim and shoulder strap are visible, with light surface wear or scuffing on the trim. The body is black twill fabric rather than all-leather construction.",
                    "lining_description": "A dark lining is partially visible around the creed and opening in photo 4, but its material and full pattern are not visible.",
                    "strap_construction": "Adjustable-looking black leather shoulder strap is visible in photos 2, 5 and 6; buckle and attachment details are not clearly shown.",
                    "stitching_description": "Visible stitching is generally straight and evenly spaced along the leather trim and seams in photos 1 and 6; some edge wear is visible."
                },
                "possible_model_reasoning": [
                    "Mercer S (7408) is the strongest match because the seller-stated style suffix agrees with the visible creed suffix, and the photographed fabric-and-leather rectangular shoulder-bag construction fits the listed style.",
                    "The China\/twill-fabric creed wording places the bag in a later vintage or Y2K-era Coach production window rather than the classic 1970s\u20131980s glove-tanned leather era.",
                    "The serial prefix cannot be fully read, so a precise year or plant decode is not possible from the photos.",
                    "Condition appears approximately Very Good to Good: light trim scuffing and surface wear are visible in photos 1 and 6, while interior condition, odor, bottom corners, and strap-fold condition remain insufficiently documented.",
                    "Estimated resale assumes a genuine Mercer S 7408 in black with ordinary pre-owned wear and no hidden lining or hardware defects."
                ],
                "confidence": 0.82,
                "recommended_max_bid": 30,
                "estimated_resale_low": 45,
                "estimated_resale_high": 90
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.8,
                "coach_probability": 0.92,
                "confidence": 0.78,
                "estimated_era": "1994-2003",
                "estimated_resale_high": 60,
                "estimated_resale_low": 25,
                "image_quality_score": 0.72,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 4 creed is legible but year\/plant characters G0J need raking-light confirmation; seller states JOJ-7408 vs photo shows G0J-7406",
                    "no full front \/ back view of bag body and closure",
                    "interior lining and pockets not fully shown emptied",
                    "hardware close-ups of strap buckle, clips and zipper brand missing",
                    "hangtag (if any) not shown"
                ],
                "negative_evidence": [
                    "photo 2-6: black twill fabric body with leather trim, not vintage glove-tanned leather, so not pre-2000 classic",
                    "photo 4: Made in China creed, not NYC\/US era",
                    "seller-typed Style JOJ-7408 does not match photographed No. G0J-7406"
                ],
                "observed_features": {
                    "coach_wordmark_present": true,
                    "creed_present": true,
                    "creed_text": "COACH THIS IS A COACH BAG. IT WAS HANDCRAFTED IN CHINA FROM THE FINEST TWILL FABRIC TRIMMED IN LEATHER. ITS SUPERIOR CRAFTSMANSHIP AND ATTENTION TO DETAIL REFLECT OUR COMMITMENT TO ENDURING QUALITY. No. G0J-7406",
                    "hangtag_present": false,
                    "hardware_description": "photo 6: rectangular silver-tone metal plate stamped COACH NEW YORK on side gusset; photo 2: black buckle on strap; no brass turnlock visible",
                    "leather_description": "photo 1-3: black smooth leather trim and flat shoulder strap with twill fabric body; leather looks coated smooth, not glove-tanned grain",
                    "lining_description": "photo 4: brown fabric lining partially visible behind creed patch with faint pattern, not fully shown",
                    "serial_or_style_number": "No. G0J-7406",
                    "serial_or_style_number_present": true,
                    "stitching_description": "photo 1, photo 3: straight even edge stitching tone-on-tone along leather trim",
                    "strap_construction": "photo 2, photo 5: flat black leather single shoulder strap, adjustable with buckle, side-seam attached",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 4: sewn-in rectangular leather creed patch with COACH cartouche header and correct 2000s twill wording",
                    "photo 4: creed number No. G0J-7406 in 1994-2003 MYP-SSSS format consistent with China twill bag c.2000",
                    "photo 1: COACH cartouche embossed vertically in leather strap trim",
                    "photo 6: COACH NEW YORK metal logo plate on exterior",
                    "photo 2, photo 5, photo 6: structured rectangular shoulder silhouette with twill body and leather base\/trim consistent with early-2000s Coach fabric bags"
                ],
                "possible_model_reasoning": [
                    "photo 4 serial G0J-7406 decodes as G=July, 0=2000, J=plant, style 7406 under 1994-2003 system; matches HANDCRAFTED IN CHINA FROM THE FINEST TWILL FABRIC wording for 2000s non-leather bags",
                    "silhouette 12-13 x 8 x 3 in per seller and tape in photo 2 and photo 5 fits Mercer \/ 7406 twill shoulder bag; seller calls it Mercer S 7408 but photo reads 7406",
                    "Condition: Very Good to Good; fabric presents well overall (photo 2,5,6), light surface wear\/scuffing on leather trim per description, full corners\/bottom\/interior not shown so capped"
                ],
                "possible_models": [
                    "Mercer Shoulder Bag (7406)"
                ],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.85,
                "vintage_probability": 0.3
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 1279,
            "total_tokens": 19613,
            "estimated_cost_usd": 0.010403
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        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18895,
            "output_tokens": 2489,
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            "estimated_cost_usd": 0.00577
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}