Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.03,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.74,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.815,
    "recommended_max_bid": 11,
    "estimated_resale_low": 10,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather-look shoulder\/crossbody handbag with an adjustable strap and multiple zip compartments",
        "photo 1: construction appears functional and neatly stitched",
        "photo 1, photo 2: leather handbag with shoulder\/crossbody strap"
    ],
    "negative_evidence": [
        "photo 1: no visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or recognizable Coach hardware",
        "photo 1: silver-tone zipper and hardware, pebbled leather, and slim multi-zip silhouette are generic rather than characteristic of classic vintage Coach",
        "photo 2: rear zippered pocket and construction do not provide a Coach identifier",
        "listing text: seller identifies the brand as unbranded; 'genuine leather' is seller-stated and not independently verifiable from the photos",
        "photo 1, photo 2: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1, photo 2: no turnlock; zip-top slim crossbody with exterior zip pocket does not match vintage Coach classic catalog silhouettes",
        "photo 1, photo 2: silver\/nickel-tone zipper pulls and buckle, not solid brass vintage hardware",
        "photo 1, photo 2: thin soft pebbled leather with slim lightweight construction, not heavy glove-tanned unlined classic construction"
    ],
    "missing_information": [
        "Interior view, including all pockets and labels",
        "Close-up of any interior or exterior brand stamp, fabric tag, or leather patch",
        "Bottom, side, strap-attachment, zipper-pull, and hardware close-up photos",
        "Seller-stated dimensions and confirmation of leather composition",
        "photo 1-2: interior not shown, lining unknown",
        "photo 1-2: creed patch not shown, no close-up to verify maker",
        "photo 1-2: no hangtag, wordmark, or hardware brand stamps shown",
        "photo 1-2: no bottom, side, or scale view"
    ],
    "authenticity_concerns": [
        "No visible Coach identifier supports treating this as a generic lookalike rather than a Coach bag",
        "The slim, light, silver-hardware construction is inconsistent with the usual solid-brass, structured construction of many vintage Coach classics, though it could represent another modern product line"
    ],
    "possible_model_reasoning": [
        "The bag does not closely match a listed vintage Coach classic such as a Court, Willis, Station, or Dinky because it lacks a flap\/turnlock design and visible Coach identifiers.",
        "photo 2: the zippered rear pocket and horizontal rectangular silhouette are common generic handbag features and are insufficient for model attribution.",
        "Condition appears Very Good from the visible exterior, with minor creasing and possible edge wear; the interior and bottom are not shown, so the grade is capped.",
        "No Coach model match: zip-top slim crossbody with front zip pocket, silver hardware, and soft lightweight pebbled leather does not correspond to City Bag, Willis, Court, Station, Dinky or other catalog styles",
        "Era reasoning: construction, hardware tone, and seller description of slim light weight and soft point to modern non-Coach manufacture",
        "Condition: appears Like New\/unused from exterior (clean surface, no corner wear visible in photo 1-2), but interior not shown so grade capped"
    ],
    "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: silver-tone zipper hardware and adjustable strap buckle; no Coach engraving is visible",
        "leather_description": "photo 1: gray, pebbled leather or leather-like material; genuine leather cannot be confirmed from photographs",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: long adjustable shoulder\/crossbody strap with stitched attachment tabs and a small silver-tone buckle",
        "stitching_description": "photos 1-2: visible machine stitching is generally straight and even, with matching gray thread"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0005,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.06,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather-look shoulder\/crossbody handbag with an adjustable strap and multiple zip compartments",
                    "photo 1: construction appears functional and neatly stitched"
                ],
                "negative_evidence": [
                    "photo 1: no visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or recognizable Coach hardware",
                    "photo 1: silver-tone zipper and hardware, pebbled leather, and slim multi-zip silhouette are generic rather than characteristic of classic vintage Coach",
                    "photo 2: rear zippered pocket and construction do not provide a Coach identifier",
                    "listing text: seller identifies the brand as unbranded; 'genuine leather' is seller-stated and not independently verifiable from the photos"
                ],
                "missing_information": [
                    "Interior view, including all pockets and labels",
                    "Close-up of any interior or exterior brand stamp, fabric tag, or leather patch",
                    "Bottom, side, strap-attachment, zipper-pull, and hardware close-up photos",
                    "Seller-stated dimensions and confirmation of leather composition"
                ],
                "authenticity_concerns": [
                    "No visible Coach identifier supports treating this as a generic lookalike rather than a Coach bag",
                    "The slim, light, silver-hardware construction is inconsistent with the usual solid-brass, structured construction of many vintage Coach classics, though it could represent another modern product line"
                ],
                "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: silver-tone zipper hardware and adjustable strap buckle; no Coach engraving is visible",
                    "leather_description": "photo 1: gray, pebbled leather or leather-like material; genuine leather cannot be confirmed from photographs",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: long adjustable shoulder\/crossbody strap with stitched attachment tabs and a small silver-tone buckle",
                    "stitching_description": "photos 1-2: visible machine stitching is generally straight and even, with matching gray thread"
                },
                "possible_model_reasoning": [
                    "The bag does not closely match a listed vintage Coach classic such as a Court, Willis, Station, or Dinky because it lacks a flap\/turnlock design and visible Coach identifiers.",
                    "photo 2: the zippered rear pocket and horizontal rectangular silhouette are common generic handbag features and are insufficient for model attribution.",
                    "Condition appears Very Good from the visible exterior, with minor creasing and possible edge wear; the interior and bottom are not shown, so the grade is capped."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 12,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "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": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1-2: interior not shown, lining unknown",
                    "photo 1-2: creed patch not shown, no close-up to verify maker",
                    "photo 1-2: no hangtag, wordmark, or hardware brand stamps shown",
                    "photo 1-2: no bottom, side, or scale view"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1, photo 2: no turnlock; zip-top slim crossbody with exterior zip pocket does not match vintage Coach classic catalog silhouettes",
                    "photo 1, photo 2: silver\/nickel-tone zipper pulls and buckle, not solid brass vintage hardware",
                    "photo 1, photo 2: thin soft pebbled leather with slim lightweight construction, not heavy glove-tanned unlined classic construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone metal; top zip closure and front exterior zip pocket with elongated flat pull tabs; small D-rings at strap anchors; adjustable strap buckle",
                    "leather_description": "grey pebbled soft leather, thin and lightweight appearance, uniform tone",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching in matching grey thread around top edge, zip pocket, and center seams",
                    "strap_construction": "thin flat adjustable crossbody\/shoulder strap with buckle slider, attached via small rings and snap tabs",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1, photo 2: leather handbag with shoulder\/crossbody strap"
                ],
                "possible_model_reasoning": [
                    "No Coach model match: zip-top slim crossbody with front zip pocket, silver hardware, and soft lightweight pebbled leather does not correspond to City Bag, Willis, Court, Station, Dinky or other catalog styles",
                    "Era reasoning: construction, hardware tone, and seller description of slim light weight and soft point to modern non-Coach manufacture",
                    "Condition: appears Like New\/unused from exterior (clean surface, no corner wear visible in photo 1-2), but interior not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 20614,
            "output_tokens": 751,
            "total_tokens": 21365,
            "estimated_cost_usd": 0.010048
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 21472,
            "output_tokens": 1054,
            "total_tokens": 22526,
            "estimated_cost_usd": 0.005138
        }
    ]
}