Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.165,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.77,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.875,
    "recommended_max_bid": 11,
    "estimated_resale_low": 9,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather shoulder bag with a zippered top and long strap",
        "photo 2: a small leather brand tag is visible, but it does not visibly read COACH",
        "photo 5: measured width is approximately 11 inches"
    ],
    "negative_evidence": [
        "photo 2: visible hangtag appears to read something like 'D... real leather,' not COACH",
        "photo 1: no COACH wordmark, horse-and-carriage, or recognizable Coach hardware is visible",
        "photo 3: black synthetic-looking lining and silver-tone zipper\/hardware are more consistent with a generic later leather bag than a classic vintage Coach",
        "photo 1: the construction and curved decorative seams are generic and do not provide a distinctive Coach model match",
        "photo 2: brand tag reads D'anigo real leather, not COACH",
        "photo 1,5,6: zip-top envelope crossbody silhouette with no turnlock, no Coach catalog match",
        "photo 3: black fabric lining, not unlined suede-back glove-tanned leather",
        "photo 1,2,3: thin leather, thin strap and small silver-tone rings, not solid brass vintage hardware",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 3: interior back wall and all pockets should be photographed closely to confirm there is no hidden creed patch",
        "photo 2: both sides of the leather brand tag should be shown in close-up for exact brand identification",
        "a close-up of zipper pulls, hardware, strap attachment points, and any interior labels would help establish the maker",
        "bottom, corners, and strap fold details are only partially shown",
        "No Coach creed patch visible in any photo - interior shown in photo 3 with no creed",
        "Hardware brand stamps \/ zipper pull markings not shown close-up",
        "Bottom and side views limited"
    ],
    "authenticity_concerns": [
        "photo 2: the visible non-Coach-looking brand tag is inconsistent with a Coach attribution",
        "photo 1: no Coach identifier is visible, and the generic construction does not support a Coach-made attribution",
        "photo 2: bag carries competing brand tag reading D'anigo real leather, inconsistent with Coach manufacture",
        "photo 3: fabric lining and thin zip-top construction inconsistent with vintage Coach glove-tanned unlined classics"
    ],
    "possible_model_reasoning": [
        "No Coach model is proposed because no Coach identifier or distinctive Coach silhouette is visible.",
        "photo 5: approximately 11 inches wide and photo 6: approximately 7\u20138 inches tall, consistent with a generic compact shoulder or zip pouch rather than enough evidence for a specific Coach style.",
        "Condition: Good; visible creasing, scuffs, and edge\/corner wear in photos 1 and 4; interior condition is only partially shown.",
        "No Coach model fits: competing D'anigo brand tag in photo 2 identifies maker",
        "Zip-top thin-strap envelope crossbody with fabric lining does not match City Bag, Willis, Court, Station or other turnlock unlined classics",
        "Condition: Good to Very Good; leather creased but intact (photo 1), corner wear shown in photo 4 with small scuff, interior appears clean (photo 3)"
    ],
    "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 2: small dark leather hangtag on a thin cord; lettering is not clearly legible as COACH. photo 1: silver-tone strap rings and zipper hardware are visible.",
        "leather_description": "photo 1: dark brown-black leather with a glossy, softly pebbled or wrinkled surface; visible creasing and edge wear.",
        "lining_description": "photo 3: dark black fabric lining is visible, but its exact material and condition are not clear.",
        "strap_construction": "photos 1-2: thin adjustable shoulder strap attached with small metal rings; strap appears leather or leather-like.",
        "stitching_description": "photos 1, 4-6: generally even machine stitching with decorative curved seam panels; some corner and edge wear is visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0005,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather shoulder bag with a zippered top and long strap",
                    "photo 2: a small leather brand tag is visible, but it does not visibly read COACH",
                    "photo 5: measured width is approximately 11 inches"
                ],
                "negative_evidence": [
                    "photo 2: visible hangtag appears to read something like 'D... real leather,' not COACH",
                    "photo 1: no COACH wordmark, horse-and-carriage, or recognizable Coach hardware is visible",
                    "photo 3: black synthetic-looking lining and silver-tone zipper\/hardware are more consistent with a generic later leather bag than a classic vintage Coach",
                    "photo 1: the construction and curved decorative seams are generic and do not provide a distinctive Coach model match"
                ],
                "missing_information": [
                    "photo 3: interior back wall and all pockets should be photographed closely to confirm there is no hidden creed patch",
                    "photo 2: both sides of the leather brand tag should be shown in close-up for exact brand identification",
                    "a close-up of zipper pulls, hardware, strap attachment points, and any interior labels would help establish the maker",
                    "bottom, corners, and strap fold details are only partially shown"
                ],
                "authenticity_concerns": [
                    "photo 2: the visible non-Coach-looking brand tag is inconsistent with a Coach attribution",
                    "photo 1: no Coach identifier is visible, and the generic construction does not support a Coach-made 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": false,
                    "hangtag_present": true,
                    "hardware_description": "photo 2: small dark leather hangtag on a thin cord; lettering is not clearly legible as COACH. photo 1: silver-tone strap rings and zipper hardware are visible.",
                    "leather_description": "photo 1: dark brown-black leather with a glossy, softly pebbled or wrinkled surface; visible creasing and edge wear.",
                    "lining_description": "photo 3: dark black fabric lining is visible, but its exact material and condition are not clear.",
                    "strap_construction": "photos 1-2: thin adjustable shoulder strap attached with small metal rings; strap appears leather or leather-like.",
                    "stitching_description": "photos 1, 4-6: generally even machine stitching with decorative curved seam panels; some corner and edge wear is visible."
                },
                "possible_model_reasoning": [
                    "No Coach model is proposed because no Coach identifier or distinctive Coach silhouette is visible.",
                    "photo 5: approximately 11 inches wide and photo 6: approximately 7\u20138 inches tall, consistent with a generic compact shoulder or zip pouch rather than enough evidence for a specific Coach style.",
                    "Condition: Good; visible creasing, scuffs, and edge\/corner wear in photos 1 and 4; interior condition is only partially shown."
                ],
                "confidence": 0.87,
                "recommended_max_bid": 12,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 2: bag carries competing brand tag reading D'anigo real leather, inconsistent with Coach manufacture",
                    "photo 3: fabric lining and thin zip-top construction inconsistent with vintage Coach glove-tanned unlined classics"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 8,
                "image_quality_score": 0.72,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach creed patch visible in any photo - interior shown in photo 3 with no creed",
                    "Hardware brand stamps \/ zipper pull markings not shown close-up",
                    "Bottom and side views limited"
                ],
                "negative_evidence": [
                    "photo 2: brand tag reads D'anigo real leather, not COACH",
                    "photo 1,5,6: zip-top envelope crossbody silhouette with no turnlock, no Coach catalog match",
                    "photo 3: black fabric lining, not unlined suede-back glove-tanned leather",
                    "photo 1,2,3: thin leather, thin strap and small silver-tone rings, not solid brass vintage hardware",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "small silver-tone zipper and strap rings; no solid brass turnlock, buckle or dogleash clips visible",
                    "leather_description": "black thin smooth leather with sheen and creasing, not thick matte glove-tanned cowhide",
                    "lining_description": "black fabric lining visible in photo 3 interior view",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight edge stitching tone-on-tone, no detailed close-up available",
                    "strap_construction": "thin fixed narrow crossbody strap attached with small metal rings, no buckle adjustment or brass clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: competing D'anigo brand tag in photo 2 identifies maker",
                    "Zip-top thin-strap envelope crossbody with fabric lining does not match City Bag, Willis, Court, Station or other turnlock unlined classics",
                    "Condition: Good to Very Good; leather creased but intact (photo 1), corner wear shown in photo 4 with small scuff, interior appears clean (photo 3)"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.15
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17707,
            "output_tokens": 793,
            "total_tokens": 18500,
            "estimated_cost_usd": 0.008986
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18044,
            "output_tokens": 1456,
            "total_tokens": 19500,
            "estimated_cost_usd": 0.004774
        }
    ]
}