Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.03,
    "vintage_probability": 0.065,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.535,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.54,
    "recommended_max_bid": 15,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 55,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Listing clearly shows a lot of multiple handbags and crossbody bags.",
        "photo 1: Several bags appear to have leather-like or leather surfaces and functional shoulder straps.",
        "photo 2: The visible construction consists mostly of zippered compartments and generic crossbody silhouettes."
    ],
    "negative_evidence": [
        "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, or recognizable Coach hangtag appears on any bag.",
        "photo 1: The lot contains multiple visibly different designs and hardware treatments rather than a consistent Coach construction language.",
        "photo 2: The front flap bag has a small oval-looking emblem, but it is not legibly identifiable as Coach.",
        "photo 3: The lower-center bag has a visible metal nameplate that does not read COACH; the bags otherwise show generic zipper-heavy construction.",
        "photo 4: The large black and beige bags have generic silhouettes, thin straps, and no visible Coach identifiers.",
        "photo 1: The visible hardware is mostly light-colored or mixed-tone and does not clearly match classic solid-brass vintage Coach hardware.",
        "photo 1-4: multi-bag lot of ~7 zip-top shoulder\/crossbody bags, no turnlock geometry visible on any bag",
        "photo 1-4: no COACH wordmark, horse-and-carriage, creed patch or leather hangtag visible",
        "photo 3: bottom-center black bag bears rectangular metal brand plate reading STONE & CO, not Coach",
        "photo 1-3: features inconsistent with vintage Coach classics: exterior zip pockets with white contrast stitching, gold D-buckle strap trim, side studs, thin chain strap, crinkled synthetic-appearing finish"
    ],
    "missing_information": [
        "Interior photographs of every bag, especially back walls and slip pockets where a creed patch might be located.",
        "Straight-on close-ups of all labels, metal plaques, zipper pulls, and any interior or seam tags.",
        "Bottom, side, corner, and strap-condition photographs for each bag.",
        "Seller-stated materials and dimensions for the individual bags; it is unclear whether all are genuine leather.",
        "Photos of the small oval emblem on the upper-left black flap bag and the lower-center metal nameplate at higher resolution.",
        "photo 1-4: no interior views, no creed patch shown for any bag in lot",
        "photo 1-4: no hardware close-ups, no zipper-pull stamps or Made-in lines legible",
        "photo 1-4: no hangtag front\/back views",
        "photo 1-4: no bottom, corner, strap-fold or scale views for individual bags"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible anywhere in the supplied photos, so the lot currently reads as generic or mixed-brand rather than Coach.",
        "The lot includes several modern-looking, zipper-heavy designs and a visible non-Coach-looking nameplate; none visibly correspond to a documented vintage Coach classic.",
        "The title's use of 'Designer Leather' is unsupported by visible brand or material evidence and should not be treated as authentication evidence."
    ],
    "possible_model_reasoning": [
        "No Coach model is proposed because no Coach identifier or distinctive Coach construction is visible.",
        "The lot appears to consist of common modern or late-2000s-plus generic shoulder and crossbody bags, with several zippered compartments and varied branding.",
        "Condition appears mixed and generally pre-owned: visible creasing, surface wear, and compression are present in several bags (photos 1-4). Interior condition, odor, lining condition, and strap integrity are unknown.",
        "Lot contains ~7 modern zip-top hobos\/crossbodies, none matching a Coach catalog silhouette, closure, or hardware system",
        "No creed, serial, wordmark, turnlock or hangtag to decode; era dated by construction to modern non-Coach",
        "Condition: unknown \/ not gradable from distant lot photos; corners, interiors, straps 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": false,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1: Mostly small light-colored or gold-tone zipper and strap hardware; no identifiable Coach turnlock is visible. photo 2: Mixed generic hardware and zipper pulls are visible.",
        "leather_description": "photo 1: Several bags have smooth or lightly textured leather-like surfaces, but genuine leather versus synthetic material cannot be determined from these photos.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Multiple adjustable shoulder and crossbody straps are visible; several are narrow and attached with generic rings or clips.",
        "stitching_description": "photo 2: Machine stitching appears generally visible and functional, but close-up quality is insufficient to assess consistency or construction quality."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0102,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Listing clearly shows a lot of multiple handbags and crossbody bags.",
                    "photo 1: Several bags appear to have leather-like or leather surfaces and functional shoulder straps.",
                    "photo 2: The visible construction consists mostly of zippered compartments and generic crossbody silhouettes."
                ],
                "negative_evidence": [
                    "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, or recognizable Coach hangtag appears on any bag.",
                    "photo 1: The lot contains multiple visibly different designs and hardware treatments rather than a consistent Coach construction language.",
                    "photo 2: The front flap bag has a small oval-looking emblem, but it is not legibly identifiable as Coach.",
                    "photo 3: The lower-center bag has a visible metal nameplate that does not read COACH; the bags otherwise show generic zipper-heavy construction.",
                    "photo 4: The large black and beige bags have generic silhouettes, thin straps, and no visible Coach identifiers.",
                    "photo 1: The visible hardware is mostly light-colored or mixed-tone and does not clearly match classic solid-brass vintage Coach hardware."
                ],
                "missing_information": [
                    "Interior photographs of every bag, especially back walls and slip pockets where a creed patch might be located.",
                    "Straight-on close-ups of all labels, metal plaques, zipper pulls, and any interior or seam tags.",
                    "Bottom, side, corner, and strap-condition photographs for each bag.",
                    "Seller-stated materials and dimensions for the individual bags; it is unclear whether all are genuine leather.",
                    "Photos of the small oval emblem on the upper-left black flap bag and the lower-center metal nameplate at higher resolution."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible anywhere in the supplied photos, so the lot currently reads as generic or mixed-brand rather than Coach.",
                    "The lot includes several modern-looking, zipper-heavy designs and a visible non-Coach-looking nameplate; none visibly correspond to a documented vintage Coach classic.",
                    "The title's use of 'Designer Leather' is unsupported by visible brand or material evidence and should not be treated as authentication evidence."
                ],
                "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 1: Mostly small light-colored or gold-tone zipper and strap hardware; no identifiable Coach turnlock is visible. photo 2: Mixed generic hardware and zipper pulls are visible.",
                    "leather_description": "photo 1: Several bags have smooth or lightly textured leather-like surfaces, but genuine leather versus synthetic material cannot be determined from these photos.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Multiple adjustable shoulder and crossbody straps are visible; several are narrow and attached with generic rings or clips.",
                    "stitching_description": "photo 2: Machine stitching appears generally visible and functional, but close-up quality is insufficient to assess consistency or construction quality."
                },
                "possible_model_reasoning": [
                    "No Coach model is proposed because no Coach identifier or distinctive Coach construction is visible.",
                    "The lot appears to consist of common modern or late-2000s-plus generic shoulder and crossbody bags, with several zippered compartments and varied branding.",
                    "Condition appears mixed and generally pre-owned: visible creasing, surface wear, and compression are present in several bags (photos 1-4). Interior condition, odor, lining condition, and strap integrity are unknown."
                ],
                "confidence": 0.73,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 50
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.35,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 60,
                "estimated_resale_low": 20,
                "image_quality_score": 0.35,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1-4: no interior views, no creed patch shown for any bag in lot",
                    "photo 1-4: no hardware close-ups, no zipper-pull stamps or Made-in lines legible",
                    "photo 1-4: no hangtag front\/back views",
                    "photo 1-4: no bottom, corner, strap-fold or scale views for individual bags"
                ],
                "negative_evidence": [
                    "photo 1-4: multi-bag lot of ~7 zip-top shoulder\/crossbody bags, no turnlock geometry visible on any bag",
                    "photo 1-4: no COACH wordmark, horse-and-carriage, creed patch or leather hangtag visible",
                    "photo 3: bottom-center black bag bears rectangular metal brand plate reading STONE & CO, not Coach",
                    "photo 1-3: features inconsistent with vintage Coach classics: exterior zip pockets with white contrast stitching, gold D-buckle strap trim, side studs, thin chain strap, crinkled synthetic-appearing finish"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "mixed silver and gold-tone zippers, D-ring buckle on brown bag, studs and thin chain on lower bags; no solid brass turnlock visible; stamps not_visible",
                    "leather_description": "black, brown and tan smooth \/ pebbled-appearing leather or faux leather shoulder bags; glove-tanned texture and patina not visible at this distance",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible white contrast stitching on top black bags, center-seam construction; tightness and thread match not_visible at lot distance",
                    "strap_construction": "thin adjustable crossbody\/shoulder straps, some with buckles; attachment clips and full length not_visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Lot contains ~7 modern zip-top hobos\/crossbodies, none matching a Coach catalog silhouette, closure, or hardware system",
                    "No creed, serial, wordmark, turnlock or hangtag to decode; era dated by construction to modern non-Coach",
                    "Condition: unknown \/ not gradable from distant lot photos; corners, interiors, straps not shown"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 19046,
            "output_tokens": 913,
            "total_tokens": 19959,
            "estimated_cost_usd": 0.00981
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 19258,
            "output_tokens": 1224,
            "total_tokens": 20482,
            "estimated_cost_usd": 0.004831
        }
    ]
}