Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.66,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.8,
    "recommended_max_bid": 11,
    "estimated_resale_low": 10,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1-6: leather handbag in brown with shoulder strap - general population where misidentified Coach hides"
    ],
    "negative_evidence": [
        "photo 1: the bag has a modern soft hobo silhouette with multiple exposed zippers and silver-tone hardware, without a visible Coach wordmark, carriage, creed, or hangtag.",
        "photo 2: visible strap hardware, buckle, and silver-tone rings are inconsistent with the solid brass hardware commonly associated with classic vintage Coach styles.",
        "photo 4: the interior appears fabric-lined, whereas many classic vintage Coach glove-tanned styles are unlined suede-backed leather.",
        "photo 6: the bag has a generic pebbled-leather construction and zipper layout rather than a clearly recognizable Coach catalog silhouette.",
        "listing text: seller identifies the item as unbranded; descriptions of genuine leather and scratch-proof lining are seller claims, not independently verifiable observations.",
        "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or leather hangtag visible",
        "photo 1,4,6: silver-tone \/ nickel hardware with modern zipper pulls, not vintage solid brass turnlock hardware",
        "photo 4: dark brown satin\/fabric lining visible inside zip opening, not unlined suede-back glove-tanned interior of classics",
        "photo 1-6: zip-top slouchy hobo with exterior back zip pocket and multi-ring buckle-adjustable strap - no classic Coach turnlock flap silhouette",
        "photo 1-6: pebbled oil-waxed leather with painted edges and modern construction, not 1970s-1990s glove-tanned finish"
    ],
    "missing_information": [
        "photo 4: no straight-on close-up of the interior back wall or pocket where a creed patch might appear.",
        "no close-up of any interior fabric or brand label.",
        "no close-up of zipper pulls or hardware markings.",
        "no full strap-end and stitching close-ups.",
        "seller-stated dimensions and country of manufacture are not provided.",
        "photo 1-6: no creed patch shown - request straight-on interior back wall \/ slip pocket in raking light",
        "photo 1-6: no legible COACH wordmark, hangtag, or hardware engraving shown",
        "photo 4: interior only glimpsed open - request emptied interior, lining, and any fabric tags",
        "photo 1-6: no bottom, close-up zipper brand stamp, or turnlock\/back-plate views"
    ],
    "authenticity_concerns": [
        "photo 1 and photo 6: the modern silver-tone multi-zip construction and fabric lining do not align well with a classic vintage Coach glove-tanned handbag.",
        "no visible Coach identifier is present in the supplied photos; the bag is more consistent with a generic modern leather hobo than a misidentified vintage Coach."
    ],
    "possible_model_reasoning": [
        "No Coach model is assigned because the bag lacks visible identifiers and its generic modern multi-zip hobo design does not closely establish a Coach catalog match.",
        "Condition: Very Good provisionally; the exterior appears intact with no obvious major tears or severe wear, but the interior, odor, bottom, and detailed hardware condition are incompletely documented.",
        "No Coach identifier visible in any photo so no catalog match is supportable",
        "Silhouette is modern zip-top hobo with exterior zip and ring hardware, inconsistent with City Bag 9790, Willis 9927, Court 9870, Station 5130, Ergo or Soho lines which use turnlock flap or different strap systems",
        "Silver hardware + fabric satin lining + painted edges points to modern (2000s+) non-Coach manufacture per skill 3.1-3.2",
        "Condition appears Like New \/ New from exterior sheen and clean corners in photos 1-2,4,6, but interior, bottom and strap fold not fully 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, rings, buckles, and strap clips are visible; no Coach engraving is legible.",
        "leather_description": "photos 1-6: brown\/tan pebbled leather-like exterior is visible; exact leather type cannot be confirmed from photos alone.",
        "lining_description": "photo 4: dark fabric lining is visible; its material and condition are not fully assessable.",
        "strap_construction": "photos 2-4: adjustable detachable shoulder strap with buckle sections and silver-tone clip\/ring hardware.",
        "stitching_description": "photos 1-6: visible stitching appears generally straight and matched to the brown exterior, though fine stitch quality is not assessable at this resolution."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0037,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag has a modern soft hobo silhouette with multiple exposed zippers and silver-tone hardware, without a visible Coach wordmark, carriage, creed, or hangtag.",
                    "photo 2: visible strap hardware, buckle, and silver-tone rings are inconsistent with the solid brass hardware commonly associated with classic vintage Coach styles.",
                    "photo 4: the interior appears fabric-lined, whereas many classic vintage Coach glove-tanned styles are unlined suede-backed leather.",
                    "photo 6: the bag has a generic pebbled-leather construction and zipper layout rather than a clearly recognizable Coach catalog silhouette.",
                    "listing text: seller identifies the item as unbranded; descriptions of genuine leather and scratch-proof lining are seller claims, not independently verifiable observations."
                ],
                "missing_information": [
                    "photo 4: no straight-on close-up of the interior back wall or pocket where a creed patch might appear.",
                    "no close-up of any interior fabric or brand label.",
                    "no close-up of zipper pulls or hardware markings.",
                    "no full strap-end and stitching close-ups.",
                    "seller-stated dimensions and country of manufacture are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1 and photo 6: the modern silver-tone multi-zip construction and fabric lining do not align well with a classic vintage Coach glove-tanned handbag.",
                    "no visible Coach identifier is present in the supplied photos; the bag is more consistent with a generic modern leather hobo than a misidentified vintage Coach."
                ],
                "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, rings, buckles, and strap clips are visible; no Coach engraving is legible.",
                    "leather_description": "photos 1-6: brown\/tan pebbled leather-like exterior is visible; exact leather type cannot be confirmed from photos alone.",
                    "lining_description": "photo 4: dark fabric lining is visible; its material and condition are not fully assessable.",
                    "strap_construction": "photos 2-4: adjustable detachable shoulder strap with buckle sections and silver-tone clip\/ring hardware.",
                    "stitching_description": "photos 1-6: visible stitching appears generally straight and matched to the brown exterior, though fine stitch quality is not assessable at this resolution."
                },
                "possible_model_reasoning": [
                    "No Coach model is assigned because the bag lacks visible identifiers and its generic modern multi-zip hobo design does not closely establish a Coach catalog match.",
                    "Condition: Very Good provisionally; the exterior appears intact with no obvious major tears or severe wear, but the interior, odor, bottom, and detailed hardware condition are incompletely documented."
                ],
                "confidence": 0.82,
                "recommended_max_bid": 10,
                "estimated_resale_low": 10,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.5,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1-6: no creed patch shown - request straight-on interior back wall \/ slip pocket in raking light",
                    "photo 1-6: no legible COACH wordmark, hangtag, or hardware engraving shown",
                    "photo 4: interior only glimpsed open - request emptied interior, lining, and any fabric tags",
                    "photo 1-6: no bottom, close-up zipper brand stamp, or turnlock\/back-plate views"
                ],
                "negative_evidence": [
                    "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or leather hangtag visible",
                    "photo 1,4,6: silver-tone \/ nickel hardware with modern zipper pulls, not vintage solid brass turnlock hardware",
                    "photo 4: dark brown satin\/fabric lining visible inside zip opening, not unlined suede-back glove-tanned interior of classics",
                    "photo 1-6: zip-top slouchy hobo with exterior back zip pocket and multi-ring buckle-adjustable strap - no classic Coach turnlock flap silhouette",
                    "photo 1-6: pebbled oil-waxed leather with painted edges and modern construction, not 1970s-1990s glove-tanned finish"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone metal throughout: top zipper with teardrop pulls, exterior back zipper, large O-rings, rectangular buckles\/slides on strap ends",
                    "leather_description": "tan \/ cognac brown pebbled-grain leather, soft slouchy hand, center seam on front\/back panels",
                    "lining_description": "dark brown satin-like fabric lining partially visible in photo 4 open top; full lining not shown",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even light-tan contrast edge stitching visible on top edge and panels; no close-up to assess further",
                    "strap_construction": "single wide shoulder strap, buckle-adjustable at both ends with large metal rings and leather keepers",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-6: leather handbag in brown with shoulder strap - general population where misidentified Coach hides"
                ],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo so no catalog match is supportable",
                    "Silhouette is modern zip-top hobo with exterior zip and ring hardware, inconsistent with City Bag 9790, Willis 9927, Court 9870, Station 5130, Ergo or Soho lines which use turnlock flap or different strap systems",
                    "Silver hardware + fabric satin lining + painted edges points to modern (2000s+) non-Coach manufacture per skill 3.1-3.2",
                    "Condition appears Like New \/ New from exterior sheen and clean corners in photos 1-2,4,6, but interior, bottom and strap fold not fully shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17883,
            "output_tokens": 879,
            "total_tokens": 18762,
            "estimated_cost_usd": 0.009263
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18228,
            "output_tokens": 1287,
            "total_tokens": 19515,
            "estimated_cost_usd": 0.004675
        }
    ]
}