Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.025,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.685,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.84,
    "recommended_max_bid": 7.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag is a structured modern satchel\/crossbody with synthetic-looking textured material, dark edge coating, and gold-tone decorative hardware rather than a vintage Coach silhouette.",
        "photo 3: the interior has a printed synthetic fabric lining; no Coach creed patch, wordmark, or horse-and-carriage is visible.",
        "photo 1: the front hardware appears decorative strap\/buckle fittings, not a vintage Coach turnlock.",
        "photo 4: the accompanying wallet has generic construction and no visible Coach branding.",
        "listing text: seller identifies it as No Brand; this is weak context only and is consistent with the visible generic construction.",
        "photo 1, photo 2: off-white crossgrain saffiano-textured material with black edge piping, not vintage glove-tanned cowhide",
        "photo 1, photo 2: bright gold-tone plated hardware, not solid brass vintage hardware",
        "photo 3: brown printed polyester lining with chain \/ equestrian print, not unlined suede interior",
        "photo 1, photo 2, photo 3: zip-top structured satchel with dual top handles plus thin crossbody strap, no turnlock flap or classic Coach silhouette",
        "photo 1, photo 2, photo 3: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible"
    ],
    "missing_information": [
        "photo 1-4: no straight-on interior-wall close-up showing whether a small creed patch or fabric brand tag is present.",
        "photo 1-4: no close-up of zipper pulls, hardware backs, or any labels\/stamps.",
        "photo 1-4: material composition and dimensions are not provided.",
        "photo 3: interior wall and pockets not fully emptied\/shown so creed patch cannot be fully excluded, request straight-on interior back wall view",
        "photo 1, photo 2: bottom and corners not shown",
        "photo 1, photo 2: hardware engravings \/ zipper-pull brand stamps not shown"
    ],
    "authenticity_concerns": [
        "photo 1 and photo 3: modern synthetic-looking material, printed lining, and generic hardware are inconsistent with the construction of classic vintage Coach leather bags.",
        "photo 1-4: no Coach identifier is visible; the bag should be treated as a generic lookalike rather than Coach."
    ],
    "possible_model_reasoning": [
        "photo 1-3: silhouette resembles a contemporary generic structured satchel with crossbody strap, not a confidently identifiable Coach model.",
        "photo 3: patterned lining and interior zipper indicate a modern lined bag, unlike many classic unlined glove-tanned Coach styles.",
        "photo 4: wallet is an included generic accessory and provides no Coach identification.",
        "Condition: Good; visible discoloration\/marks on the light exterior (photo 2), with interior and hardware appearing usable. Exact condition is limited by the lack of bottom and detailed corner photos.",
        "photo 1, photo 2: silhouette, zip-top closure, saffiano texture, black piping and plated hardware do not match any vintage Coach classic (Willis, Court, Station, City Bag, Duffle) in shape, leather or hardware",
        "serial decode: none - no serial visible to decode",
        "era reasoning: synthetic saffiano material, printed poly lining and plated hardware indicate modern (2000s+) non-Coach fast-fashion construction",
        "Condition: Good; photo 2 shows light surface soiling \/ marks on side panel, otherwise structured shape intact, interior and bottom not fully 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": false,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1-2: gold-tone rings, buckles, and strap attachments; no recognizable Coach turnlock or branded engraving visible.",
        "leather_description": "photo 1-2: light-colored fine-grained, likely synthetic or coated material with dark edge trim; genuine leather is not established.",
        "lining_description": "photo 3: patterned fabric lining with a zippered interior compartment; no brand label or creed visible.",
        "strap_construction": "photo 1-2: detachable-looking long shoulder strap plus fixed top handles; strap uses gold-tone clips and fittings.",
        "stitching_description": "photo 1-2 and photo 4: visible machine stitching appears generally even; generic construction, with no distinctive Coach evidence."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0027,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.05,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag is a structured modern satchel\/crossbody with synthetic-looking textured material, dark edge coating, and gold-tone decorative hardware rather than a vintage Coach silhouette.",
                    "photo 3: the interior has a printed synthetic fabric lining; no Coach creed patch, wordmark, or horse-and-carriage is visible.",
                    "photo 1: the front hardware appears decorative strap\/buckle fittings, not a vintage Coach turnlock.",
                    "photo 4: the accompanying wallet has generic construction and no visible Coach branding.",
                    "listing text: seller identifies it as No Brand; this is weak context only and is consistent with the visible generic construction."
                ],
                "missing_information": [
                    "photo 1-4: no straight-on interior-wall close-up showing whether a small creed patch or fabric brand tag is present.",
                    "photo 1-4: no close-up of zipper pulls, hardware backs, or any labels\/stamps.",
                    "photo 1-4: material composition and dimensions are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1 and photo 3: modern synthetic-looking material, printed lining, and generic hardware are inconsistent with the construction of classic vintage Coach leather bags.",
                    "photo 1-4: no Coach identifier is visible; the bag should be treated as a generic lookalike rather than 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 1-2: gold-tone rings, buckles, and strap attachments; no recognizable Coach turnlock or branded engraving visible.",
                    "leather_description": "photo 1-2: light-colored fine-grained, likely synthetic or coated material with dark edge trim; genuine leather is not established.",
                    "lining_description": "photo 3: patterned fabric lining with a zippered interior compartment; no brand label or creed visible.",
                    "strap_construction": "photo 1-2: detachable-looking long shoulder strap plus fixed top handles; strap uses gold-tone clips and fittings.",
                    "stitching_description": "photo 1-2 and photo 4: visible machine stitching appears generally even; generic construction, with no distinctive Coach evidence."
                },
                "possible_model_reasoning": [
                    "photo 1-3: silhouette resembles a contemporary generic structured satchel with crossbody strap, not a confidently identifiable Coach model.",
                    "photo 3: patterned lining and interior zipper indicate a modern lined bag, unlike many classic unlined glove-tanned Coach styles.",
                    "photo 4: wallet is an included generic accessory and provides no Coach identification.",
                    "Condition: Good; visible discoloration\/marks on the light exterior (photo 2), with interior and hardware appearing usable. Exact condition is limited by the lack of bottom and detailed corner photos."
                ],
                "confidence": 0.83,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "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": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo 3: interior wall and pockets not fully emptied\/shown so creed patch cannot be fully excluded, request straight-on interior back wall view",
                    "photo 1, photo 2: bottom and corners not shown",
                    "photo 1, photo 2: hardware engravings \/ zipper-pull brand stamps not shown"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: off-white crossgrain saffiano-textured material with black edge piping, not vintage glove-tanned cowhide",
                    "photo 1, photo 2: bright gold-tone plated hardware, not solid brass vintage hardware",
                    "photo 3: brown printed polyester lining with chain \/ equestrian print, not unlined suede interior",
                    "photo 1, photo 2, photo 3: zip-top structured satchel with dual top handles plus thin crossbody strap, no turnlock flap or classic Coach silhouette",
                    "photo 1, photo 2, photo 3: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated hardware on handle anchors, side zipper and strap clips; shiny plated appearance, not solid brass",
                    "leather_description": "off-white \/ cream crosshatched saffiano-embossed synthetic-appearing material with black edge trim, uniform texture, not glove-tanned leather",
                    "lining_description": "photo 3: brown printed polyester lining with chain \/ strap \/ horsebit motif",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "light contrast stitching visible on wallet in photo 4; bag stitching not close enough to assess in detail",
                    "strap_construction": "short rolled top handles with black-trimmed attachment tabs plus thin detachable crossbody strap with gold-tone clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1, photo 2: silhouette, zip-top closure, saffiano texture, black piping and plated hardware do not match any vintage Coach classic (Willis, Court, Station, City Bag, Duffle) in shape, leather or hardware",
                    "serial decode: none - no serial visible to decode",
                    "era reasoning: synthetic saffiano material, printed poly lining and plated hardware indicate modern (2000s+) non-Coach fast-fashion construction",
                    "Condition: Good; photo 2 shows light surface soiling \/ marks on side panel, otherwise structured shape intact, interior and bottom not fully shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17079,
            "output_tokens": 797,
            "total_tokens": 17876,
            "estimated_cost_usd": 0.008744
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17539,
            "output_tokens": 1362,
            "total_tokens": 18901,
            "estimated_cost_usd": 0.004597
        }
    ]
}