Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.035,
    "vintage_probability": 0.135,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.745,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.765,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather handbag with a shoulder strap and front turning-tab closure.",
        "photo 1: the bag has warm-tone metal hardware and substantial leather trim.",
        "photo 1-3: leather handbag with brass-tone hardware and flap silhouette in population where misidentified Coach hides"
    ],
    "negative_evidence": [
        "photo 1: no legible COACH wordmark, horse-and-carriage mark, hangtag, or creed patch is visible.",
        "photo 1: the woven leather front panel and decorative oval clasp are not characteristic of the classic unlined Coach glove-tanned silhouettes.",
        "photo 2: the interior appears fabric-lined and divided into multiple compartments, unlike many classic vintage Coach constructions.",
        "photo 4: the rear zipper and hardware show no visible Coach branding.",
        "photo 1: flap center is woven \/ intrecciato inset panel - not a vintage Coach classic leather treatment",
        "photo 1: closure is oval plate twist-lock with two visible screws, not Coach Cashin turnlock geometry with wide thin back plate and slim tab",
        "photo 2: interior shows fabric lining and divided compartments, not unlined suede-back glove-tanned classic interior",
        "photo 3: back exterior zip pocket with leather pull - not matching City Bag \/ Willis \/ Court \/ Station catalog layouts",
        "photos 1-3: no COACH wordmark, no horse-and-carriage, no creed patch, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 2: a straight-on close-up of every interior wall and pocket to confirm whether a small creed patch or fabric brand tag is present.",
        "photo 1: close-up photographs of the clasp, zipper pull, and any hardware engravings.",
        "photo 3: bottom, corners, and strap attachment details.",
        "seller-stated dimensions, materials, and any interior or care-label markings.",
        "photo 2 interior is open but creed patch \/ interior back wall not shown close-up - need straight-on creed photo in raking light",
        "close-up of hardware stamps, zipper pull brand, and Made-in line",
        "front, side, bottom corner close-ups and strap buckle holes \/ fold point",
        "seller-stated dimensions for scale"
    ],
    "authenticity_concerns": [
        "The visible decorative woven construction and large oval clasp are more consistent with a generic or other-brand fashion handbag than Coach.",
        "No Coach identifier is visible in the provided photos; silhouette alone is insufficient for Coach attribution."
    ],
    "possible_model_reasoning": [
        "The rectangular crossbody\/shoulder-bag silhouette and front turnlock do not closely match a specific classic Coach model in the absence of a creed or wordmark.",
        "photo 1: the woven front and prominent oval clasp are lookalike\/non-Coach cues rather than sufficient evidence for a Coach model.",
        "Condition: Good to Very Good; visible creasing and surface wear on the leather, while corners, bottom, and interior condition are incompletely documented.",
        "No Coach catalog match: woven flap + oval twist-lock + back zip + fabric-lined compartments does not fit City Bag (9790), Willis (9927), Court (9870), Station (5130), Dinky (9375) or other classics",
        "Era reasoning: fabric lining, edge-painted thin strap, bright plated oval lock point to modern (2000s+) non-Coach manufacture",
        "Condition: Very Good; leather intact with light sheen variation and softening (photos 1,3), strap appears intact, interior not fully gradable, bottom corners not shown so capped"
    ],
    "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": "photo 1: oval gold-tone turning-tab clasp; photo 4: gold-tone zipper hardware and strap rings. No branding is legible.",
        "leather_description": "photo 1: tan\/brown leather-looking exterior with a woven leather front panel and smooth leather trim; visible creasing and surface wear.",
        "lining_description": "photo 2: light tan fabric-like lining with multiple compartments; no brand label or creed is visible.",
        "strap_construction": "photo 1 and photo 4: long adjustable shoulder strap with stitched leather construction and metal attachment rings; condition shows creasing\/wear.",
        "stitching_description": "photos 1 and 4: generally even perimeter and trim stitching, with some visible waviness\/irregularity around the front panel and edges."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0019,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.12,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.84,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather handbag with a shoulder strap and front turning-tab closure.",
                    "photo 1: the bag has warm-tone metal hardware and substantial leather trim."
                ],
                "negative_evidence": [
                    "photo 1: no legible COACH wordmark, horse-and-carriage mark, hangtag, or creed patch is visible.",
                    "photo 1: the woven leather front panel and decorative oval clasp are not characteristic of the classic unlined Coach glove-tanned silhouettes.",
                    "photo 2: the interior appears fabric-lined and divided into multiple compartments, unlike many classic vintage Coach constructions.",
                    "photo 4: the rear zipper and hardware show no visible Coach branding."
                ],
                "missing_information": [
                    "photo 2: a straight-on close-up of every interior wall and pocket to confirm whether a small creed patch or fabric brand tag is present.",
                    "photo 1: close-up photographs of the clasp, zipper pull, and any hardware engravings.",
                    "photo 3: bottom, corners, and strap attachment details.",
                    "seller-stated dimensions, materials, and any interior or care-label markings."
                ],
                "authenticity_concerns": [
                    "The visible decorative woven construction and large oval clasp are more consistent with a generic or other-brand fashion handbag than Coach.",
                    "No Coach identifier is visible in the provided photos; silhouette alone is insufficient for Coach attribution."
                ],
                "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": "photo 1: oval gold-tone turning-tab clasp; photo 4: gold-tone zipper hardware and strap rings. No branding is legible.",
                    "leather_description": "photo 1: tan\/brown leather-looking exterior with a woven leather front panel and smooth leather trim; visible creasing and surface wear.",
                    "lining_description": "photo 2: light tan fabric-like lining with multiple compartments; no brand label or creed is visible.",
                    "strap_construction": "photo 1 and photo 4: long adjustable shoulder strap with stitched leather construction and metal attachment rings; condition shows creasing\/wear.",
                    "stitching_description": "photos 1 and 4: generally even perimeter and trim stitching, with some visible waviness\/irregularity around the front panel and edges."
                },
                "possible_model_reasoning": [
                    "The rectangular crossbody\/shoulder-bag silhouette and front turnlock do not closely match a specific classic Coach model in the absence of a creed or wordmark.",
                    "photo 1: the woven front and prominent oval clasp are lookalike\/non-Coach cues rather than sufficient evidence for a Coach model.",
                    "Condition: Good to Very Good; visible creasing and surface wear on the leather, while corners, bottom, and interior condition are incompletely documented."
                ],
                "confidence": 0.83,
                "recommended_max_bid": 12,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo 2 interior is open but creed patch \/ interior back wall not shown close-up - need straight-on creed photo in raking light",
                    "close-up of hardware stamps, zipper pull brand, and Made-in line",
                    "front, side, bottom corner close-ups and strap buckle holes \/ fold point",
                    "seller-stated dimensions for scale"
                ],
                "negative_evidence": [
                    "photo 1: flap center is woven \/ intrecciato inset panel - not a vintage Coach classic leather treatment",
                    "photo 1: closure is oval plate twist-lock with two visible screws, not Coach Cashin turnlock geometry with wide thin back plate and slim tab",
                    "photo 2: interior shows fabric lining and divided compartments, not unlined suede-back glove-tanned classic interior",
                    "photo 3: back exterior zip pocket with leather pull - not matching City Bag \/ Willis \/ Court \/ Station catalog layouts",
                    "photos 1-3: no COACH wordmark, no horse-and-carriage, no creed patch, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 1: brass-tone oval twist-lock with center tab and two screws; photo 3: brass-tone D-rings and small zipper slider; tone is bright plated, not solid aged brass",
                    "leather_description": "photo 1,3: tan \/ camel smooth leather with sheen and woven strip flap inset; does not show matte glove-tanned grain and patina",
                    "lining_description": "photo 2: tan fabric \/ textile lining visible inside flap and compartments, not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1: tone-matched straight edge stitching around flap border, even but not diagnostic",
                    "strap_construction": "photo 1,3: thin flat adjustable crossbody strap attached via D-rings, dark edge paint visible",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 1-3: leather handbag with brass-tone hardware and flap silhouette in population where misidentified Coach hides"
                ],
                "possible_model_reasoning": [
                    "No Coach catalog match: woven flap + oval twist-lock + back zip + fabric-lined compartments does not fit City Bag (9790), Willis (9927), Court (9870), Station (5130), Dinky (9375) or other classics",
                    "Era reasoning: fabric lining, edge-painted thin strap, bright plated oval lock point to modern (2000s+) non-Coach manufacture",
                    "Condition: Very Good; leather intact with light sheen variation and softening (photos 1,3), strap appears intact, interior not fully gradable, bottom corners not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.15
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 24086,
            "output_tokens": 807,
            "total_tokens": 24893,
            "estimated_cost_usd": 0.011571
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 25461,
            "output_tokens": 1347,
            "total_tokens": 26808,
            "estimated_cost_usd": 0.00617
        }
    ]
}