Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.525,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.8,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.855,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 20,
    "estimated_resale_high": 52.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly constructed as a leather shoulder tote with two long handles.",
        "photo 2: visible hand-tooled floral decoration and leather construction.",
        "photo 5: zipper pull visibly appears to be marked YKK, consistent with the seller's description.",
        "photo 1, photo 3, photo 4: genuine leather handbag\/tote with patina, consistent with vintage leather goods population where misidentified Coach could hide",
        "photo 4: unlined suede-back interior with interior zip pocket, broadly similar to unlined construction of vintage classics"
    ],
    "negative_evidence": [
        "photo 1: no visible COACH wordmark, horse-and-carriage, leather hangtag, or Coach-specific hardware.",
        "photo 1: ornate Western floral tooling and tote construction are more consistent with a Mexican artisan bag than a classic Coach silhouette.",
        "photo 4: interior appears leather or suede-like with decorative tooling\/embossing rather than a visible Coach creed patch.",
        "photo 5: hardware is not Coach-branded and the zipper pull is marked YKK.",
        "photo 6: no brand identifier is visible despite the front and interior being shown.",
        "photo 1, photo 3, photo 6: front\/back panels are plain tan leather on one side and large hand-tooled floral carving on other side - Coach classics are smooth glove-tanned tone-on-tone, never Mexican floral tooling",
        "photo 4: interior is unlined suede-back with no rectangular leather creed patch on back wall or slip pocket where Coach creed would sit",
        "photo 1-6: no COACH wordmark, horse-and-carriage, hangtag, or turnlock visible anywhere",
        "photo 1, photo 3: double rolled shoulder straps attached via stitched tabs with knotted ends - not Coach buckle-adjustable, dogleash-clip, or dowel-handle construction",
        "photo 5: zipper pull stamped IDEAL, not Talon\/YKK\/Coach-era consistent pull, and zip-top tote silhouette does not match any catalog Coach classic"
    ],
    "missing_information": [
        "photo 4: a straight-on, close-up photograph of every interior wall and pocket would confirm whether any small leather creed or maker label is present.",
        "photo 5: close-up photographs of all zipper pulls and hardware markings.",
        "photo 1: bottom, side, and handle-attachment close-ups for construction and condition assessment.",
        "Seller-stated dimensions beyond the visible height measurement.",
        "no Coach creed patch visible - interior fully shown with no creed (photo 4)",
        "no hangtag, wordmark, or Coach hardware stamps visible",
        "bottom, side, and strap-anchor close-ups not shown"
    ],
    "authenticity_concerns": [
        "No Coach identifiers are visible; the bag appears to be an unbranded artisan leather tote rather than a Coach product.",
        "The decorative tooling, interior treatment, and overall construction do not match the usual Coach classic glove-tanned handbag design language."
    ],
    "possible_model_reasoning": [
        "The rectangular zip-top tote silhouette is not a strong match for the listed classic Coach models and lacks Coach-specific identifiers.",
        "The floral tooling and stitched leather handle tabs are consistent with a Mexican or Southwestern artisan tote, as described by the seller, but the seller's origin claim is not independently verified by the photos.",
        "Condition: Good; visible scuffs, scratches, patina, dark marks, and edge wear in photos 1-3 and 6. The interior and zipper appear present, but odor, mold, and full bottom condition cannot be determined.",
        "No Coach model fits: tooled floral decoration, knotted rolled handles, zip-top tote with IDEAL zipper, and absence of creed\/wordmark\/turnlock\/brass hardware are inconsistent with any 1970s-1990s or modern Coach catalog style",
        "Condition: Good; tan leather with patina, scuffs, spots and corner softening (photo 1, photo 3, photo 6), interior shows age\/use soiling (photo 4), zipper functional in photos, no tears or broken hardware visible"
    ],
    "estimated_era": "unknown",
    "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": "photo 5: metal YKK zipper pull and dark zipper tape are visible; no Coach engraving or turnlock hardware is shown.",
        "leather_description": "photos 1-3 and 6: brown\/tan genuine-looking leather with extensive hand-tooled floral decoration, patina, scuffs, scratches, and darker marks.",
        "lining_description": "photo 4: interior appears largely leather or suede-like and shows decorative tooling\/embossing; no fabric brand label or creed is visible.",
        "strap_construction": "photos 1-3: two long rounded leather shoulder straps, attached with stitched leather tabs and folded\/tied leather details.",
        "stitching_description": "photos 1-4 and 6: generally even double-row and perimeter stitching is visible, with some handmade-looking construction details."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0015,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.55,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.9,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly constructed as a leather shoulder tote with two long handles.",
                    "photo 2: visible hand-tooled floral decoration and leather construction.",
                    "photo 5: zipper pull visibly appears to be marked YKK, consistent with the seller's description."
                ],
                "negative_evidence": [
                    "photo 1: no visible COACH wordmark, horse-and-carriage, leather hangtag, or Coach-specific hardware.",
                    "photo 1: ornate Western floral tooling and tote construction are more consistent with a Mexican artisan bag than a classic Coach silhouette.",
                    "photo 4: interior appears leather or suede-like with decorative tooling\/embossing rather than a visible Coach creed patch.",
                    "photo 5: hardware is not Coach-branded and the zipper pull is marked YKK.",
                    "photo 6: no brand identifier is visible despite the front and interior being shown."
                ],
                "missing_information": [
                    "photo 4: a straight-on, close-up photograph of every interior wall and pocket would confirm whether any small leather creed or maker label is present.",
                    "photo 5: close-up photographs of all zipper pulls and hardware markings.",
                    "photo 1: bottom, side, and handle-attachment close-ups for construction and condition assessment.",
                    "Seller-stated dimensions beyond the visible height measurement."
                ],
                "authenticity_concerns": [
                    "No Coach identifiers are visible; the bag appears to be an unbranded artisan leather tote rather than a Coach product.",
                    "The decorative tooling, interior treatment, and overall construction do not match the usual Coach classic glove-tanned handbag design language."
                ],
                "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": "photo 5: metal YKK zipper pull and dark zipper tape are visible; no Coach engraving or turnlock hardware is shown.",
                    "leather_description": "photos 1-3 and 6: brown\/tan genuine-looking leather with extensive hand-tooled floral decoration, patina, scuffs, scratches, and darker marks.",
                    "lining_description": "photo 4: interior appears largely leather or suede-like and shows decorative tooling\/embossing; no fabric brand label or creed is visible.",
                    "strap_construction": "photos 1-3: two long rounded leather shoulder straps, attached with stitched leather tabs and folded\/tied leather details.",
                    "stitching_description": "photos 1-4 and 6: generally even double-row and perimeter stitching is visible, with some handmade-looking construction details."
                },
                "possible_model_reasoning": [
                    "The rectangular zip-top tote silhouette is not a strong match for the listed classic Coach models and lacks Coach-specific identifiers.",
                    "The floral tooling and stitched leather handle tabs are consistent with a Mexican or Southwestern artisan tote, as described by the seller, but the seller's origin claim is not independently verified by the photos.",
                    "Condition: Good; visible scuffs, scratches, patina, dark marks, and edge wear in photos 1-3 and 6. The interior and zipper appear present, but odor, mold, and full bottom condition cannot be determined."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 15,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 45,
                "estimated_resale_low": 20,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "no Coach creed patch visible - interior fully shown with no creed (photo 4)",
                    "no hangtag, wordmark, or Coach hardware stamps visible",
                    "bottom, side, and strap-anchor close-ups not shown"
                ],
                "negative_evidence": [
                    "photo 1, photo 3, photo 6: front\/back panels are plain tan leather on one side and large hand-tooled floral carving on other side - Coach classics are smooth glove-tanned tone-on-tone, never Mexican floral tooling",
                    "photo 4: interior is unlined suede-back with no rectangular leather creed patch on back wall or slip pocket where Coach creed would sit",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, hangtag, or turnlock visible anywhere",
                    "photo 1, photo 3: double rolled shoulder straps attached via stitched tabs with knotted ends - not Coach buckle-adjustable, dogleash-clip, or dowel-handle construction",
                    "photo 5: zipper pull stamped IDEAL, not Talon\/YKK\/Coach-era consistent pull, and zip-top tote silhouette does not match any catalog Coach classic"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "zip-top closure with dark coil zipper and large flat metal pull stamped IDEAL (photo 5); no brass turnlock, buckles, D-rings, or branded hardware visible",
                    "leather_description": "medium-tan vegetable-tanned leather with patina and scuffs; one face plain, opposite face with large hand-tooled floral\/foliate carving (photo 2, photo 6)",
                    "lining_description": "unlined - raw suede side of leather visible inside tote with interior zip pocket (photo 4); no fabric lining",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "light contrast straight stitching around top edge, center seam, and strap anchor tabs (photo 1, photo 2, photo 3)",
                    "strap_construction": "double fixed rolled shoulder straps looped through front anchor tabs and knotted (photo 1, photo 3)",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1, photo 3, photo 4: genuine leather handbag\/tote with patina, consistent with vintage leather goods population where misidentified Coach could hide",
                    "photo 4: unlined suede-back interior with interior zip pocket, broadly similar to unlined construction of vintage classics"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: tooled floral decoration, knotted rolled handles, zip-top tote with IDEAL zipper, and absence of creed\/wordmark\/turnlock\/brass hardware are inconsistent with any 1970s-1990s or modern Coach catalog style",
                    "Condition: Good; tan leather with patina, scuffs, spots and corner softening (photo 1, photo 3, photo 6), interior shows age\/use soiling (photo 4), zipper functional in photos, no tears or broken hardware visible"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18288,
            "output_tokens": 920,
            "total_tokens": 19208,
            "estimated_cost_usd": 0.009523
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18848,
            "output_tokens": 1258,
            "total_tokens": 20106,
            "estimated_cost_usd": 0.004776
        }
    ]
}