Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.035,
    "vintage_probability": 0.09,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.69,
    "seller_misidentification_probability": 0.075,
    "confidence": 0.74,
    "recommended_max_bid": 12,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather shoulder\/tote handbag with multiple zippered compartments.",
        "photo 3: leather surface and close stitching are visible; the bag appears constructed rather than faux-plastic.",
        "photo 1-2: leather shoulder handbag\/tote form"
    ],
    "negative_evidence": [
        "photo 1: no COACH wordmark, horse-and-carriage, creed patch, or hangtag is visible.",
        "photo 1: visible hardware appears silver\/dark-toned rather than the solid brass commonly associated with classic vintage Coach.",
        "photo 1: multi-zipper, contrast-stitch construction does not closely match the listed classic vintage Coach silhouettes.",
        "photo 2: no Coach identifier is visible on the exterior.",
        "photo 3: the visible stitching and smooth leather provide no distinctive Coach-specific evidence.",
        "photo 1-2: no turnlock, no brass turnlock geometry, zip-top closure only",
        "photo 1-4: no COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1-4: no creed patch visible; interior not shown",
        "photo 3-4: cream contrast stitching, not tone-matched thread used on vintage Coach classics",
        "photo 1-2: soft zip-top multi-pocket shoulder tote silhouette with exterior zip pocket does not match classic Coach catalog styles"
    ],
    "missing_information": [
        "Interior view, including the back wall and all pockets, to check for a creed patch.",
        "Close-up of every interior label, fabric tag, zipper pull, and hardware stamp.",
        "Bottom, side, strap-attachment, and full hardware photographs.",
        "Seller-stated dimensions and country-of-origin markings, if any.",
        "interior views emptied including back wall and slip pocket where creed would sit",
        "creed patch straight-on close-up in raking light",
        "bottom and corners, both sides",
        "lining material and any fabric\/brand labels",
        "hardware close-ups: zipper pull brand stamp, strap buckle and rivets",
        "seller-stated dimensions and weight"
    ],
    "authenticity_concerns": [
        "photo 1: the bag currently reads as an unbranded leather lookalike rather than an identifiable Coach design; no Coach-made identifier is visible.",
        "photo 1: silver\/dark hardware and a modern multi-zipper layout would be inconsistent with many classic brass-hardware vintage Coach styles, though the interior is not shown.",
        "photo 1-4: cream contrast stitching and zip-top multi-pocket tote construction inconsistent with vintage Coach glove-tanned classics which use tone-matched thread and turnlock flap"
    ],
    "possible_model_reasoning": [
        "The silhouette is a generic multi-compartment zip-top shoulder tote and does not provide a reliable match to a catalogued vintage Coach model.",
        "No visible creed, serial\/style number, hangtag, or wordmark supports a Coach attribution.",
        "Condition: approximately Very Good from the exterior photographs; leather shows creasing and handling-related surface variation, while interior, bottom, corners, odor, and strap wear are not adequately shown.",
        "No Coach model fits: zip-top contrast-stitch multi-pocket tote lacks turnlock, creed, hangtag, brass hardware and tone-matched stitching of 1970s-1990s classics and lacks 2000s+ Coach identifiers",
        "Era reasoning: contrast stitching, zip-top tote styling and dark hardware point to modern (2000s+) non-Coach",
        "Condition: Very Good to Excellent exterior from photos 1-4 with soft creasing but no major wear; capped because interior, bottom and strap fold not shown so lining unknown"
    ],
    "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: multiple visible zipper pulls and strap rings in a silver\/dark tone; no Coach engraving is legible.",
        "leather_description": "photos 1 and 3: black smooth leather with visible natural grain, creasing, and glossy highlights; exact leather type cannot be confirmed.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1 and 2: two long shoulder straps attached with small metal rings and stitched leather tabs; no adjustable buckle is visible.",
        "stitching_description": "photos 3 and 4: contrasting cream stitching is visible and generally even, with decorative diagonal and curved seams."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0017,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather shoulder\/tote handbag with multiple zippered compartments.",
                    "photo 3: leather surface and close stitching are visible; the bag appears constructed rather than faux-plastic."
                ],
                "negative_evidence": [
                    "photo 1: no COACH wordmark, horse-and-carriage, creed patch, or hangtag is visible.",
                    "photo 1: visible hardware appears silver\/dark-toned rather than the solid brass commonly associated with classic vintage Coach.",
                    "photo 1: multi-zipper, contrast-stitch construction does not closely match the listed classic vintage Coach silhouettes.",
                    "photo 2: no Coach identifier is visible on the exterior.",
                    "photo 3: the visible stitching and smooth leather provide no distinctive Coach-specific evidence."
                ],
                "missing_information": [
                    "Interior view, including the back wall and all pockets, to check for a creed patch.",
                    "Close-up of every interior label, fabric tag, zipper pull, and hardware stamp.",
                    "Bottom, side, strap-attachment, and full hardware photographs.",
                    "Seller-stated dimensions and country-of-origin markings, if any."
                ],
                "authenticity_concerns": [
                    "photo 1: the bag currently reads as an unbranded leather lookalike rather than an identifiable Coach design; no Coach-made identifier is visible.",
                    "photo 1: silver\/dark hardware and a modern multi-zipper layout would be inconsistent with many classic brass-hardware vintage Coach styles, though the interior is not shown."
                ],
                "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: multiple visible zipper pulls and strap rings in a silver\/dark tone; no Coach engraving is legible.",
                    "leather_description": "photos 1 and 3: black smooth leather with visible natural grain, creasing, and glossy highlights; exact leather type cannot be confirmed.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1 and 2: two long shoulder straps attached with small metal rings and stitched leather tabs; no adjustable buckle is visible.",
                    "stitching_description": "photos 3 and 4: contrasting cream stitching is visible and generally even, with decorative diagonal and curved seams."
                },
                "possible_model_reasoning": [
                    "The silhouette is a generic multi-compartment zip-top shoulder tote and does not provide a reliable match to a catalogued vintage Coach model.",
                    "No visible creed, serial\/style number, hangtag, or wordmark supports a Coach attribution.",
                    "Condition: approximately Very Good from the exterior photographs; leather shows creasing and handling-related surface variation, while interior, bottom, corners, odor, and strap wear are not adequately shown."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 12,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-4: cream contrast stitching and zip-top multi-pocket tote construction inconsistent with vintage Coach glove-tanned classics which use tone-matched thread and turnlock flap"
                ],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior views emptied including back wall and slip pocket where creed would sit",
                    "creed patch straight-on close-up in raking light",
                    "bottom and corners, both sides",
                    "lining material and any fabric\/brand labels",
                    "hardware close-ups: zipper pull brand stamp, strap buckle and rivets",
                    "seller-stated dimensions and weight"
                ],
                "negative_evidence": [
                    "photo 1-2: no turnlock, no brass turnlock geometry, zip-top closure only",
                    "photo 1-4: no COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1-4: no creed patch visible; interior not shown",
                    "photo 3-4: cream contrast stitching, not tone-matched thread used on vintage Coach classics",
                    "photo 1-2: soft zip-top multi-pocket shoulder tote silhouette with exterior zip pocket does not match classic Coach catalog styles"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark-tone strap buckle and zipper hardware; no solid brass turnlock; brand stamps not_visible",
                    "leather_description": "photo 3-4: black smooth leather with soft drape and sheen",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 3-4: cream contrast double-needle stitching on panel seams and top edge; not tone-matched",
                    "strap_construction": "photo 1-2: double fixed shoulder straps, one side with buckle adjustment and rivet",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-2: leather shoulder handbag\/tote form"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: zip-top contrast-stitch multi-pocket tote lacks turnlock, creed, hangtag, brass hardware and tone-matched stitching of 1970s-1990s classics and lacks 2000s+ Coach identifiers",
                    "Era reasoning: contrast stitching, zip-top tote styling and dark hardware point to modern (2000s+) non-Coach",
                    "Condition: Very Good to Excellent exterior from photos 1-4 with soft creasing but no major wear; capped because interior, bottom and strap fold not shown so lining unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.1
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 20849,
            "output_tokens": 882,
            "total_tokens": 21731,
            "estimated_cost_usd": 0.010456
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 21427,
            "output_tokens": 1378,
            "total_tokens": 22805,
            "estimated_cost_usd": 0.005388
        }
    ]
}