Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.635,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.815,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag is covered in faux-fur-like synthetic material, unlike the leather or coated-canvas materials associated with the relevant Coach lines.",
        "photo 1: the visible shoulder straps are decorative patterned synthetic-looking material with dangling chains, not a recognizable vintage Coach strap construction.",
        "photo 3: the visible closure appears to be a conventional zipper rather than a Coach turnlock or other identifiable Coach closure.",
        "photos 1-7: no legible COACH wordmark, horse-and-carriage mark, creed patch, serial\/style number, or Coach hangtag is visible.",
        "photo 7: the interior appears to use synthetic textile lining, with no visible Coach label or creed.",
        "photo 1, photo 2: black faux fur body - faux\/fur material inconsistent with vintage Coach glove-tanned cowhide",
        "photo 6: shiny black synthetic fabric lining, not unlined suede-back glove-tanned",
        "photo 1, photo 2: silver-tone chain fringe and wide tooled-embossed shoulder strap - not Coach classic brass hardware and construction",
        "photo 1-6: no creed patch, no COACH wordmark, no turnlock, no leather hangtag visible",
        "photo 3, photo 4, photo 5: top zip closure with plain silver-tone pull, no Talon\/YKK brass or Coach identifiers"
    ],
    "missing_information": [
        "A straight-on, well-lit photo of the entire interior and every pocket.",
        "A close-up of any interior label, sewn tag, leather patch, or stamp.",
        "Clear photos of the zipper pull, strap attachments, and hardware.",
        "Bottom, side, and back views for complete construction assessment.",
        "no creed patch visible - interior lining shown in photo 6 with no stamped leather patch",
        "no COACH wordmark, hangtag, or hardware stamps shown",
        "no bottom, side, or scale views"
    ],
    "authenticity_concerns": [
        "photos 1-7: no Coach identifiers are visible and the synthetic faux-fur construction is inconsistent with the classic vintage Coach handbag population.",
        "photos 1-7: the bag's decorative chains and patterned straps provide no specific Coach evidence and could reflect a generic or lookalike design."
    ],
    "possible_model_reasoning": [
        "The silhouette and materials do not match a recognizable vintage Coach catalog model; no Coach model is proposed.",
        "Condition: appearance is used but broadly intact from the visible exterior; interior and functional condition are incompletely documented.",
        "No Coach identifiers visible in any photo; materials (faux fur, synthetic lining, silver-tone chain) and tooled strap do not match any vintage Coach catalog style",
        "Condition: Good to Very Good for a fast-fashion bag; fur appears full, fringe intact, but lighting overexposed so wear hard to grade"
    ],
    "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": "photos 1-7: silver-tone chain elements and a conventional zipper are visible; no Coach-marked hardware is legible.",
        "leather_description": "photos 1-7: predominantly black faux-fur-like synthetic material; leather is not visibly established.",
        "lining_description": "photos 6-7: dark synthetic textile lining is visible; no branding or creed is legible.",
        "strap_construction": "photos 1-3: decorative patterned straps with attached silver-tone chains and multiple loose tie ends; material appears synthetic or fabric-like.",
        "stitching_description": "photos 3-7: limited close-up stitching is visible around the zipper and lining; no distinctive Coach construction can be established."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0002,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.97,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.62,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag is covered in faux-fur-like synthetic material, unlike the leather or coated-canvas materials associated with the relevant Coach lines.",
                    "photo 1: the visible shoulder straps are decorative patterned synthetic-looking material with dangling chains, not a recognizable vintage Coach strap construction.",
                    "photo 3: the visible closure appears to be a conventional zipper rather than a Coach turnlock or other identifiable Coach closure.",
                    "photos 1-7: no legible COACH wordmark, horse-and-carriage mark, creed patch, serial\/style number, or Coach hangtag is visible.",
                    "photo 7: the interior appears to use synthetic textile lining, with no visible Coach label or creed."
                ],
                "missing_information": [
                    "A straight-on, well-lit photo of the entire interior and every pocket.",
                    "A close-up of any interior label, sewn tag, leather patch, or stamp.",
                    "Clear photos of the zipper pull, strap attachments, and hardware.",
                    "Bottom, side, and back views for complete construction assessment."
                ],
                "authenticity_concerns": [
                    "photos 1-7: no Coach identifiers are visible and the synthetic faux-fur construction is inconsistent with the classic vintage Coach handbag population.",
                    "photos 1-7: the bag's decorative chains and patterned straps provide no specific Coach evidence and could reflect a generic or lookalike design."
                ],
                "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": "photos 1-7: silver-tone chain elements and a conventional zipper are visible; no Coach-marked hardware is legible.",
                    "leather_description": "photos 1-7: predominantly black faux-fur-like synthetic material; leather is not visibly established.",
                    "lining_description": "photos 6-7: dark synthetic textile lining is visible; no branding or creed is legible.",
                    "strap_construction": "photos 1-3: decorative patterned straps with attached silver-tone chains and multiple loose tie ends; material appears synthetic or fabric-like.",
                    "stitching_description": "photos 3-7: limited close-up stitching is visible around the zipper and lining; no distinctive Coach construction can be established."
                },
                "possible_model_reasoning": [
                    "The silhouette and materials do not match a recognizable vintage Coach catalog model; no Coach model is proposed.",
                    "Condition: appearance is used but broadly intact from the visible exterior; interior and functional condition are incompletely documented."
                ],
                "confidence": 0.78,
                "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": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "no creed patch visible - interior lining shown in photo 6 with no stamped leather patch",
                    "no COACH wordmark, hangtag, or hardware stamps shown",
                    "no bottom, side, or scale views"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: black faux fur body - faux\/fur material inconsistent with vintage Coach glove-tanned cowhide",
                    "photo 6: shiny black synthetic fabric lining, not unlined suede-back glove-tanned",
                    "photo 1, photo 2: silver-tone chain fringe and wide tooled-embossed shoulder strap - not Coach classic brass hardware and construction",
                    "photo 1-6: no creed patch, no COACH wordmark, no turnlock, no leather hangtag visible",
                    "photo 3, photo 4, photo 5: top zip closure with plain silver-tone pull, no Talon\/YKK brass or Coach identifiers"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone chain fringe at sides and silver-tone top zipper with plain tapered pull; no brass turnlock or branded hardware visible",
                    "leather_description": "black faux fur body; wide black tooled-embossed look shoulder strap; no glove-tanned cowhide visible",
                    "lining_description": "black shiny synthetic woven fabric lining visible in photo 6",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - stitching not clearly legible due to fur and exposure",
                    "strap_construction": "wide single shoulder strap with tooled paisley embossing and whip-stitched edges",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifiers visible in any photo; materials (faux fur, synthetic lining, silver-tone chain) and tooled strap do not match any vintage Coach catalog style",
                    "Condition: Good to Very Good for a fast-fashion bag; fur appears full, fringe intact, but lighting overexposed so wear hard to grade"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28777,
            "output_tokens": 771,
            "total_tokens": 29548,
            "estimated_cost_usd": 0.013361
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30091,
            "output_tokens": 1356,
            "total_tokens": 31447,
            "estimated_cost_usd": 0.007103
        }
    ]
}