Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.73,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.875,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 15,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a handbag-sized crossbody with an adjustable strap.",
        "photo 2: leather-look exterior, zipper construction, and general handbag construction are visible."
    ],
    "negative_evidence": [
        "photo 2: the bag has a generic curved crossbody silhouette and ordinary exterior zipper pocket, with no visible Coach-specific silhouette or hardware.",
        "photo 3: interior lining is visibly fabric\/microfiber-like and includes an 'Iswee' label, not a Coach creed or Coach label.",
        "photo 3: no Coach wordmark, horse-and-carriage, creed patch, or serial\/style number is visible.",
        "photo 4: the separate satchel image shows generic decorative handles and dark hardware rather than identifiable vintage Coach construction; it may depict a different product or promotional image.",
        "photo 1: listing imagery appears to be commercial\/product photography rather than photographs of a vintage secondhand bag.",
        "photo 3: interior label reads iswee, not COACH",
        "photo 3: light beige microfiber fleece lining, not unlined glove-tanned suede",
        "photos 1-2: zip-top hobo with outer zip pocket, no turnlock, no brass hardware, no hangtag",
        "photos 1-5: dark gunmetal-tone zippers and hardware, not vintage solid brass",
        "photos 1-5: catalog-style white-background images with graphics, condition described as Brand new"
    ],
    "missing_information": [
        "Straight-on photo of the actual interior back wall and every pocket seam, although the visible interior already shows an Iswee label.",
        "Close-up photographs of all hardware, zipper pulls, strap attachments, and any exterior or interior brand marks.",
        "Photographs of the actual bag in hand, including bottom, corners, strap, and lining, rather than only promotional composite images.",
        "Seller-provided proof of age and provenance; the listing states brand new and modern product specifications.",
        "no creed patch visible to verify - none expected given branded interior label",
        "no Coach wordmark, hangtag or solid-brass hardware visible in any photo",
        "photos 4-5 depict a different bag than photos 1-3; true item being sold is unclear"
    ],
    "authenticity_concerns": [
        "photo 3: the visible 'Iswee' interior label is inconsistent with a Coach-made bag.",
        "photo 3: microfiber\/fabric lining and modern compartment construction are inconsistent with the classic unlined glove-tanned construction expected of many vintage Coach candidates.",
        "photos 1-5: no Coach identifier is visible, and the overall presentation is consistent with a modern generic or lookalike bag rather than vintage Coach.",
        "photo 4: promotional imagery appears inconsistent with the crossbody shown in photos 1-3, raising concern that the listing uses mixed product images.",
        "photo 3: interior leather label reads non-Coach brand name (iswee), inconsistent with Coach manufacture",
        "photos 4-5: show a second different satchel style with different dimensions than photos 1-3, indicating stock\/catalog or multi-bag listing, not a single vintage Coach piece"
    ],
    "possible_model_reasoning": [
        "No Coach model is appropriate because the bag has no visible Coach identifiers and the interior label reads 'Iswee'.",
        "The curved crossbody shape and dimensions are generic and do not establish a match to a Coach catalog style.",
        "Condition: listed as brand new; promotional photos show no obvious wear, but the actual condition and completeness are not independently verifiable.",
        "no Coach silhouette match: zip-top hobo and doctor-satchel shapes lack turnlock flap, dowel handle, dogleash clips or other classic Coach cues",
        "interior brand label for iswee identifies maker as non-Coach",
        "lining, hardware finish and Brand new condition point to modern mass-produced bag, not 1970s-1990s glove-tanned Coach",
        "Condition: New per seller and catalog images; no vintage wear to grade"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": false,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photos 1-4: dark metal zipper hardware and small strap fittings are visible; no Coach engraving is legible. A turning-tab lock is not visible.",
        "leather_description": "photos 1-5: smooth brown leather or leather-like exterior with a glossy\/waxy finish and intentionally varied coloration; seller states vegetable-tanned genuine leather, but material quality cannot be verified from photos.",
        "lining_description": "photo 3: light-colored fabric\/microfiber-style lining with multiple compartments and a visible 'Iswee' label.",
        "strap_construction": "photos 1-2: narrow adjustable shoulder strap with multiple holes and small metal attachment hardware.",
        "stitching_description": "photos 1-5: visible dark contrast stitching appears generally regular on the promotional images; actual stitch quality at stress points cannot be independently assessed."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0025,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a handbag-sized crossbody with an adjustable strap.",
                    "photo 2: leather-look exterior, zipper construction, and general handbag construction are visible."
                ],
                "negative_evidence": [
                    "photo 2: the bag has a generic curved crossbody silhouette and ordinary exterior zipper pocket, with no visible Coach-specific silhouette or hardware.",
                    "photo 3: interior lining is visibly fabric\/microfiber-like and includes an 'Iswee' label, not a Coach creed or Coach label.",
                    "photo 3: no Coach wordmark, horse-and-carriage, creed patch, or serial\/style number is visible.",
                    "photo 4: the separate satchel image shows generic decorative handles and dark hardware rather than identifiable vintage Coach construction; it may depict a different product or promotional image.",
                    "photo 1: listing imagery appears to be commercial\/product photography rather than photographs of a vintage secondhand bag."
                ],
                "missing_information": [
                    "Straight-on photo of the actual interior back wall and every pocket seam, although the visible interior already shows an Iswee label.",
                    "Close-up photographs of all hardware, zipper pulls, strap attachments, and any exterior or interior brand marks.",
                    "Photographs of the actual bag in hand, including bottom, corners, strap, and lining, rather than only promotional composite images.",
                    "Seller-provided proof of age and provenance; the listing states brand new and modern product specifications."
                ],
                "authenticity_concerns": [
                    "photo 3: the visible 'Iswee' interior label is inconsistent with a Coach-made bag.",
                    "photo 3: microfiber\/fabric lining and modern compartment construction are inconsistent with the classic unlined glove-tanned construction expected of many vintage Coach candidates.",
                    "photos 1-5: no Coach identifier is visible, and the overall presentation is consistent with a modern generic or lookalike bag rather than vintage Coach.",
                    "photo 4: promotional imagery appears inconsistent with the crossbody shown in photos 1-3, raising concern that the listing uses mixed product images."
                ],
                "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": false,
                    "hangtag_present": false,
                    "hardware_description": "photos 1-4: dark metal zipper hardware and small strap fittings are visible; no Coach engraving is legible. A turning-tab lock is not visible.",
                    "leather_description": "photos 1-5: smooth brown leather or leather-like exterior with a glossy\/waxy finish and intentionally varied coloration; seller states vegetable-tanned genuine leather, but material quality cannot be verified from photos.",
                    "lining_description": "photo 3: light-colored fabric\/microfiber-style lining with multiple compartments and a visible 'Iswee' label.",
                    "strap_construction": "photos 1-2: narrow adjustable shoulder strap with multiple holes and small metal attachment hardware.",
                    "stitching_description": "photos 1-5: visible dark contrast stitching appears generally regular on the promotional images; actual stitch quality at stress points cannot be independently assessed."
                },
                "possible_model_reasoning": [
                    "No Coach model is appropriate because the bag has no visible Coach identifiers and the interior label reads 'Iswee'.",
                    "The curved crossbody shape and dimensions are generic and do not establish a match to a Coach catalog style.",
                    "Condition: listed as brand new; promotional photos show no obvious wear, but the actual condition and completeness are not independently verifiable."
                ],
                "confidence": 0.87,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 3: interior leather label reads non-Coach brand name (iswee), inconsistent with Coach manufacture",
                    "photos 4-5: show a second different satchel style with different dimensions than photos 1-3, indicating stock\/catalog or multi-bag listing, not a single vintage Coach piece"
                ],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "no creed patch visible to verify - none expected given branded interior label",
                    "no Coach wordmark, hangtag or solid-brass hardware visible in any photo",
                    "photos 4-5 depict a different bag than photos 1-3; true item being sold is unclear"
                ],
                "negative_evidence": [
                    "photo 3: interior label reads iswee, not COACH",
                    "photo 3: light beige microfiber fleece lining, not unlined glove-tanned suede",
                    "photos 1-2: zip-top hobo with outer zip pocket, no turnlock, no brass hardware, no hangtag",
                    "photos 1-5: dark gunmetal-tone zippers and hardware, not vintage solid brass",
                    "photos 1-5: catalog-style white-background images with graphics, condition described as Brand new"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark gunmetal-tone zip-top and side clips; no turnlock, no brass, no COACH stamping visible",
                    "leather_description": "smooth brown burnished leather with modern sheen, described by seller as vegetable tan leather",
                    "lining_description": "light beige microfiber fleece fabric lining visible in photo 3",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "light contrast stitching around top edge and panels, even machine stitching",
                    "strap_construction": "thin adjustable crossbody strap with buckle holes and swivel clips in photos 1-3; top handles plus detachable strap on bag in photos 4-5",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "no Coach silhouette match: zip-top hobo and doctor-satchel shapes lack turnlock flap, dowel handle, dogleash clips or other classic Coach cues",
                    "interior brand label for iswee identifies maker as non-Coach",
                    "lining, hardware finish and Brand new condition point to modern mass-produced bag, not 1970s-1990s glove-tanned Coach",
                    "Condition: New per seller and catalog images; no vintage wear to grade"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "output_tokens": 928,
            "total_tokens": 18740,
            "estimated_cost_usd": 0.009352
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18336,
            "output_tokens": 1371,
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}