Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.715,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.855,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 6.5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: black synthetic-looking exterior with a soft, mass-market construction rather than visible vintage glove-tanned leather",
        "photo 1: braided shoulder strap and simple gold-tone attachment hardware do not match a distinctive vintage Coach identifier",
        "photo 5: interior is fabric-lined and shows no visible Coach creed, serial\/style number, wordmark, or horse-and-carriage",
        "photo 5: snap hardware is generic-looking and not a vintage Coach turnlock",
        "listing text: seller describes the material as man-made, which is inconsistent with classic vintage Coach glove-tanned leather",
        "photo 1-4: pebbled faux-leather surface with synthetic sheen, not glove-tanned cowhide",
        "photo 5: black polyester fabric lining, Coach vintage classics are unlined suede",
        "photo 5: magnetic snap closure, not Coach turnlock geometry",
        "photo 1-4: braided\/twisted shoulder strap with thin gold-tone rings, not Coach buckle\/dogleash construction",
        "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "seller states Made from man-made material"
    ],
    "missing_information": [
        "photo 5: no readable creed or Coach identification is shown; request a straight-on photograph of every interior wall and pocket",
        "request close-ups of any interior fabric tags, hardware markings, and the snap closure",
        "bottom, corners, and full strap-condition views are not provided",
        "photo 5: interior only partially shown, no full bottom\/corner views to finalize condition grade",
        "photo 1-4: no creed patch visible; no close-up of hardware engravings to check brand marks"
    ],
    "authenticity_concerns": [
        "The bag has no visible Coach identifiers and its man-made\/material and fabric-lined construction are inconsistent with the classic vintage Coach population.",
        "The generic braided strap, snap closure, and synthetic-looking construction are stronger indicators of a non-Coach contemporary bag than of a replica with transplanted Coach parts."
    ],
    "possible_model_reasoning": [
        "No Coach model is supported: the silhouette is a generic soft bucket\/shoulder bag with a snap closure, not a sufficiently distinctive Coach catalog match.",
        "Condition appears Very Good from the visible exterior, with creasing and soft folding but no obvious major tears; interior and bottom condition remain incompletely documented.",
        "Silhouette is generic modern hobo with exterior slip pocket and snap top, no match to catalog Coach styles 9790\/9927\/9870\/5130 and no identifiers",
        "Construction: man-made body + fabric lining + magnetic snap + plated hardware points to modern fast-fashion, not 1970s-1990s Coach",
        "Condition: Very Good to Good; surface looks intact with light creasing in photo 3-4, interior not fully emptied so lining condition 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 and photo 5: gold-tone snap and ring hardware; no legible brand engraving visible",
        "leather_description": "photo 1: smooth black material with synthetic-looking sheen and soft creasing; seller states it is man-made",
        "lining_description": "photo 5: dark fabric lining with an interior zip pocket; no Coach label or creed visible",
        "strap_construction": "photos 1-4: braided black shoulder strap with stitched tab ends and small gold-tone rings",
        "stitching_description": "photos 1-4: visible straight machine stitching in matching dark thread; no distinctive Coach construction identified"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0019,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.83,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: black synthetic-looking exterior with a soft, mass-market construction rather than visible vintage glove-tanned leather",
                    "photo 1: braided shoulder strap and simple gold-tone attachment hardware do not match a distinctive vintage Coach identifier",
                    "photo 5: interior is fabric-lined and shows no visible Coach creed, serial\/style number, wordmark, or horse-and-carriage",
                    "photo 5: snap hardware is generic-looking and not a vintage Coach turnlock",
                    "listing text: seller describes the material as man-made, which is inconsistent with classic vintage Coach glove-tanned leather"
                ],
                "missing_information": [
                    "photo 5: no readable creed or Coach identification is shown; request a straight-on photograph of every interior wall and pocket",
                    "request close-ups of any interior fabric tags, hardware markings, and the snap closure",
                    "bottom, corners, and full strap-condition views are not provided"
                ],
                "authenticity_concerns": [
                    "The bag has no visible Coach identifiers and its man-made\/material and fabric-lined construction are inconsistent with the classic vintage Coach population.",
                    "The generic braided strap, snap closure, and synthetic-looking construction are stronger indicators of a non-Coach contemporary bag than of a replica with transplanted Coach parts."
                ],
                "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 and photo 5: gold-tone snap and ring hardware; no legible brand engraving visible",
                    "leather_description": "photo 1: smooth black material with synthetic-looking sheen and soft creasing; seller states it is man-made",
                    "lining_description": "photo 5: dark fabric lining with an interior zip pocket; no Coach label or creed visible",
                    "strap_construction": "photos 1-4: braided black shoulder strap with stitched tab ends and small gold-tone rings",
                    "stitching_description": "photos 1-4: visible straight machine stitching in matching dark thread; no distinctive Coach construction identified"
                },
                "possible_model_reasoning": [
                    "No Coach model is supported: the silhouette is a generic soft bucket\/shoulder bag with a snap closure, not a sufficiently distinctive Coach catalog match.",
                    "Condition appears Very Good from the visible exterior, with creasing and soft folding but no obvious major tears; interior and bottom condition remain incompletely documented."
                ],
                "confidence": 0.86,
                "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": 8,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 5: interior only partially shown, no full bottom\/corner views to finalize condition grade",
                    "photo 1-4: no creed patch visible; no close-up of hardware engravings to check brand marks"
                ],
                "negative_evidence": [
                    "photo 1-4: pebbled faux-leather surface with synthetic sheen, not glove-tanned cowhide",
                    "photo 5: black polyester fabric lining, Coach vintage classics are unlined suede",
                    "photo 5: magnetic snap closure, not Coach turnlock geometry",
                    "photo 1-4: braided\/twisted shoulder strap with thin gold-tone rings, not Coach buckle\/dogleash construction",
                    "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "seller states Made from man-made material"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone magnetic snap and small strap rings; plated tone, not solid vintage brass; no COACH engraving visible",
                    "leather_description": "black faux\/man-made leather with uniform pebbled emboss and synthetic sheen seen in photo 1-4",
                    "lining_description": "black polyester fabric lining visible in photo 5",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching around exterior slip pocket, thread matched to body; visible in photo 1, 3, 4",
                    "strap_construction": "single braided\/twisted faux-leather shoulder strap attached with small metal rings and riveted tabs",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Silhouette is generic modern hobo with exterior slip pocket and snap top, no match to catalog Coach styles 9790\/9927\/9870\/5130 and no identifiers",
                    "Construction: man-made body + fabric lining + magnetic snap + plated hardware points to modern fast-fashion, not 1970s-1990s Coach",
                    "Condition: Very Good to Good; surface looks intact with light creasing in photo 3-4, interior not fully emptied so lining condition unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17359,
            "output_tokens": 765,
            "total_tokens": 18124,
            "estimated_cost_usd": 0.00878
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17687,
            "output_tokens": 1181,
            "total_tokens": 18868,
            "estimated_cost_usd": 0.004482
        }
    ]
}