Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.03,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.745,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.875,
    "recommended_max_bid": 11,
    "estimated_resale_low": 9,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a structured handbag with a top handle, detachable long strap, flap closure, and bottom feet.",
        "photo 4: The bag appears to use black pebbled material with gold-tone hardware, a combination seen on some modern Coach bags."
    ],
    "negative_evidence": [
        "photo 1: No legible COACH wordmark, horse-and-carriage, or Coach-style hangtag is visible.",
        "photo 4: The large rectangular gold-tone turnlock plate is highly decorative and unlike the elegant, relatively plain solid-brass turnlocks typical of vintage Coach classics.",
        "photo 6: Interior and closure hardware show multiple bright, plated-looking rectangular fittings and a small gold-tone plaque, with no visible Coach creed patch or serial tag.",
        "photos 1-6: The compact structured silhouette and heavily pebbled, coated-looking surface are more consistent with a modern generic or mall-brand handbag than vintage glove-tanned Coach.",
        "photo 5: Strap hardware and construction appear modern and plated rather than vintage Coach brass dogleash or buckle hardware.",
        "photo 1-4: Kelly-style shape with sangles and flip turn hardware, not Coach turnlock geometry - thin rectangular plate with center turning tab vs Coach wide oval back plate",
        "photo 1-6: black small-grain crossgrain \/ saffiano-type coated leather, not vintage Coach glove-tanned cowhide with suede back",
        "photo 2: bright shiny gold-tone plated feet and hardware, not vintage solid brass with warm dull patina",
        "photo 4-6: shiny plated turn assembly with surface wear\/plating look, mixed finish, no COACH wordmark visible",
        "photo 6: underside of flap and front show no creed patch, no wordmark, no hangtag",
        "photo 5: thin detachable crossbody strap with small gold-tone lobster clips, not Coach dogleash clips or buckle-adjust strap",
        "seller-stated size 7.5x5x2.5 in - mini Kelly-dupe scale, does not match any classic Coach catalog style"
    ],
    "missing_information": [
        "photo 6: A straight-on, close-up image of the interior gold-tone plaque is needed to determine whether it carries another brand name.",
        "photo 6: The interior lining and all sewn-in labels are not shown clearly enough to identify the maker.",
        "photo 4: Close-ups of the zipper pulls, turnlock backs, and any hardware engravings would help identify the brand.",
        "Seller-stated dimensions are available, but material composition and country of manufacture are not provided.",
        "photo of full emptied interior and lining material not shown",
        "creed patch \/ interior brand stamp close-up not shown - request straight-on raking-light photo",
        "hardware brand stamps \/ Made-in line not shown"
    ],
    "authenticity_concerns": [
        "photos 1-6: No Coach identifier is visible despite multiple exterior and interior views.",
        "photo 4: Bright decorative plated hardware and an oversized rectangular clasp are inconsistent with the typical construction of vintage Coach classics.",
        "photo 6: The visible plaque and fittings appear brand-like but are not legibly Coach; this is more consistent with a lookalike or other modern brand than a Coach bag."
    ],
    "possible_model_reasoning": [
        "The compact structured top-handle shape could superficially resemble some modern structured Coach bags, but the decorative clasp, surface finish, and hardware do not match a recognizable vintage Coach catalog model.",
        "No creed, serial\/style number, wordmark, or horse-and-carriage identifier is visible, so no Coach model can be assigned.",
        "Condition: Very Good based on the visible exterior, with minor apparent hardware scuffing; the unseen underside of the strap, full lining, odor, and hidden corners remain unknown.",
        "No Coach model fits: silhouette is a mini Kelly-dupe with sangles and flip-turn, not City Bag (9790), Willis (9927), Court (9870), Station (5130), Dinky (9375) or other classic; hardware, coated crossgrain leather and mini scale are inconsistent with 1970s-1990s Coach",
        "No hard identifiers visible in any of 6 photos: no creed patch, no serial, no COACH wordmark, no horse-and-carriage, no leather hangtag",
        "Condition: Like New to Excellent for what it is; edges and corners look clean (photo 1-2), hardware shows light surface wear in close-up (photo 4), interior condition unknown because main compartment not shown"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": true,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "Bright gold-tone plated-looking hardware; rectangular decorative turnlock plates, top-handle rings, detachable strap clips, and four bottom feet are visible. No legible Coach engraving is visible.",
        "leather_description": "Black, heavily pebbled surface material visible; exact material cannot be confirmed from photos and it appears more coated or finished than vintage glove-tanned leather.",
        "lining_description": "Black interior lining is visible, but its exact material and construction are not clear.",
        "strap_construction": "Detachable long shoulder strap with gold-tone clips and small ring fittings; top handle attached with gold-tone hardware.",
        "stitching_description": "Visible exterior stitching is generally straight and evenly spaced, with no obvious major seam failure."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0014,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.84,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a structured handbag with a top handle, detachable long strap, flap closure, and bottom feet.",
                    "photo 4: The bag appears to use black pebbled material with gold-tone hardware, a combination seen on some modern Coach bags."
                ],
                "negative_evidence": [
                    "photo 1: No legible COACH wordmark, horse-and-carriage, or Coach-style hangtag is visible.",
                    "photo 4: The large rectangular gold-tone turnlock plate is highly decorative and unlike the elegant, relatively plain solid-brass turnlocks typical of vintage Coach classics.",
                    "photo 6: Interior and closure hardware show multiple bright, plated-looking rectangular fittings and a small gold-tone plaque, with no visible Coach creed patch or serial tag.",
                    "photos 1-6: The compact structured silhouette and heavily pebbled, coated-looking surface are more consistent with a modern generic or mall-brand handbag than vintage glove-tanned Coach.",
                    "photo 5: Strap hardware and construction appear modern and plated rather than vintage Coach brass dogleash or buckle hardware."
                ],
                "missing_information": [
                    "photo 6: A straight-on, close-up image of the interior gold-tone plaque is needed to determine whether it carries another brand name.",
                    "photo 6: The interior lining and all sewn-in labels are not shown clearly enough to identify the maker.",
                    "photo 4: Close-ups of the zipper pulls, turnlock backs, and any hardware engravings would help identify the brand.",
                    "Seller-stated dimensions are available, but material composition and country of manufacture are not provided."
                ],
                "authenticity_concerns": [
                    "photos 1-6: No Coach identifier is visible despite multiple exterior and interior views.",
                    "photo 4: Bright decorative plated hardware and an oversized rectangular clasp are inconsistent with the typical construction of vintage Coach classics.",
                    "photo 6: The visible plaque and fittings appear brand-like but are not legibly Coach; this is more consistent with a lookalike or other modern brand than a Coach bag."
                ],
                "observed_features": {
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "serial_or_style_number_present": false,
                    "serial_or_style_number": "not_visible",
                    "coach_wordmark_present": false,
                    "turnlock_present": true,
                    "hangtag_present": false,
                    "hardware_description": "Bright gold-tone plated-looking hardware; rectangular decorative turnlock plates, top-handle rings, detachable strap clips, and four bottom feet are visible. No legible Coach engraving is visible.",
                    "leather_description": "Black, heavily pebbled surface material visible; exact material cannot be confirmed from photos and it appears more coated or finished than vintage glove-tanned leather.",
                    "lining_description": "Black interior lining is visible, but its exact material and construction are not clear.",
                    "strap_construction": "Detachable long shoulder strap with gold-tone clips and small ring fittings; top handle attached with gold-tone hardware.",
                    "stitching_description": "Visible exterior stitching is generally straight and evenly spaced, with no obvious major seam failure."
                },
                "possible_model_reasoning": [
                    "The compact structured top-handle shape could superficially resemble some modern structured Coach bags, but the decorative clasp, surface finish, and hardware do not match a recognizable vintage Coach catalog model.",
                    "No creed, serial\/style number, wordmark, or horse-and-carriage identifier is visible, so no Coach model can be assigned.",
                    "Condition: Very Good based on the visible exterior, with minor apparent hardware scuffing; the unseen underside of the strap, full lining, odor, and hidden corners remain unknown."
                ],
                "confidence": 0.87,
                "recommended_max_bid": 10,
                "estimated_resale_low": 8,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of full emptied interior and lining material not shown",
                    "creed patch \/ interior brand stamp close-up not shown - request straight-on raking-light photo",
                    "hardware brand stamps \/ Made-in line not shown"
                ],
                "negative_evidence": [
                    "photo 1-4: Kelly-style shape with sangles and flip turn hardware, not Coach turnlock geometry - thin rectangular plate with center turning tab vs Coach wide oval back plate",
                    "photo 1-6: black small-grain crossgrain \/ saffiano-type coated leather, not vintage Coach glove-tanned cowhide with suede back",
                    "photo 2: bright shiny gold-tone plated feet and hardware, not vintage solid brass with warm dull patina",
                    "photo 4-6: shiny plated turn assembly with surface wear\/plating look, mixed finish, no COACH wordmark visible",
                    "photo 6: underside of flap and front show no creed patch, no wordmark, no hangtag",
                    "photo 5: thin detachable crossbody strap with small gold-tone lobster clips, not Coach dogleash clips or buckle-adjust strap",
                    "seller-stated size 7.5x5x2.5 in - mini Kelly-dupe scale, does not match any classic Coach catalog style"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated hardware: Kelly-style flip-turn with rectangular front plate and paired sangle straps, D-rings for top handle, four bottom feet, lobster-claw clips on shoulder strap; shiny plated finish, not solid vintage brass",
                    "leather_description": "black pebbled crossgrain \/ saffiano-embossed coated leather with uniform grain and slight sheen; not glove-tanned full-grain",
                    "lining_description": "not_visible - photo 6 shows underside of flap in same black textured material; main compartment interior not emptied\/shown",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even straight edge stitching in black thread visible on sides, handle and flap edges; no mismatched thread visible",
                    "strap_construction": "short wrapped top handle attached with D-rings plus thin detachable adjustable crossbody strap with lobster-claw ends shown in photo 5",
                    "turnlock_present": true
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette is a mini Kelly-dupe with sangles and flip-turn, not City Bag (9790), Willis (9927), Court (9870), Station (5130), Dinky (9375) or other classic; hardware, coated crossgrain leather and mini scale are inconsistent with 1970s-1990s Coach",
                    "No hard identifiers visible in any of 6 photos: no creed patch, no serial, no COACH wordmark, no horse-and-carriage, no leather hangtag",
                    "Condition: Like New to Excellent for what it is; edges and corners look clean (photo 1-2), hardware shows light surface wear in close-up (photo 4), interior condition unknown because main compartment not shown"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18257,
            "output_tokens": 878,
            "total_tokens": 19135,
            "estimated_cost_usd": 0.00941
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18812,
            "output_tokens": 1475,
            "total_tokens": 20287,
            "estimated_cost_usd": 0.004942
        }
    ]
}