Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.035,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.585,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.78,
    "recommended_max_bid": 7.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 2: clearly a small handbag with a shoulder strap, chain detail, and tassels."
    ],
    "negative_evidence": [
        "photo 1: dense decorative stud-and-spike embellishment and silver-tone hardware do not resemble classic vintage Coach construction.",
        "photo 2: visible design is a rounded, tassel-trimmed pouch with a chain strap rather than a recognizable Coach silhouette.",
        "photos 1-2: no visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or recognizable Coach hangtag.",
        "photo 2: the listing's dusty rose color and decorative styling suggest a modern fashion accessory rather than a vintage glove-tanned Coach bag.",
        "photo 1: all-over mixed pyramid and dome stud \/ bling covering - never a vintage Coach classic treatment",
        "photo 2: side fringe tassels and thin silver-tone chain-plus-leather strap - inconsistent with 1970s-1990s solid-brass Coach construction",
        "photo 2: thin smooth light pink material with laced top edge, no glove-tanned grain, no turnlock, no brass hardware",
        "photo 2: only small black fabric-like tags visible, no leather creed patch, no COACH wordmark, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 2: interior, lining, and any sewn-in brand or care label are not shown.",
        "photo 2: strap attachment and closure details are only partially visible.",
        "photo 2: bottom, side seams, and full hardware close-ups are not provided.",
        "photo 1-2: interior and any creed patch \/ fabric tags not shown legibly",
        "photo 2: small black tags illegible - need straight-on readable photo",
        "photo 2: hardware close-ups, zipper brand, and lining not shown",
        "photo 2: front studded side vs back plain side - full front\/back\/bottom views and dimensions not shown"
    ],
    "authenticity_concerns": [
        "photos 1-2: no Coach identifiers or Coach-specific construction are visible; the item appears to be a generic embellished fashion handbag rather than a Coach bag."
    ],
    "possible_model_reasoning": [
        "photo 2: the rounded pouch silhouette, fringe, chain, and extensive stud decoration do not closely match the listed vintage Coach catalog styles.",
        "Condition appears approximately Very Good from the exterior photos, with no major damage clearly visible; interior condition, odor, and hardware function are unknown.",
        "No credible Coach model match is supported by the available photos.",
        "No Coach silhouette, hardware, leather, or identifier matches; studded fringe chain-strap purse is modern fast-fashion type, not any catalog style in 4.1-4.3",
        "Condition: Good to Very Good appearance in limited views - no obvious wear shown (photo 2) but bottom, corners, interior not 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": "photos 1-2: numerous silver-tone round studs and pyramid studs, plus a silver-tone chain strap; no Coach-specific hardware visible.",
        "leather_description": "photos 1-2: dusty rose-colored smooth or lightly textured material is visible; exact material cannot be confirmed.",
        "lining_description": "not_visible",
        "strap_construction": "photo 2: narrow dusty rose strap combined with a silver-tone chain section; long fringe\/tassel trim is attached at the bag sides.",
        "stitching_description": "photo 2: visible perimeter and strap stitching appears regular, but construction is not detailed enough for brand attribution."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0037,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 2: clearly a small handbag with a shoulder strap, chain detail, and tassels."
                ],
                "negative_evidence": [
                    "photo 1: dense decorative stud-and-spike embellishment and silver-tone hardware do not resemble classic vintage Coach construction.",
                    "photo 2: visible design is a rounded, tassel-trimmed pouch with a chain strap rather than a recognizable Coach silhouette.",
                    "photos 1-2: no visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or recognizable Coach hangtag.",
                    "photo 2: the listing's dusty rose color and decorative styling suggest a modern fashion accessory rather than a vintage glove-tanned Coach bag."
                ],
                "missing_information": [
                    "photo 2: interior, lining, and any sewn-in brand or care label are not shown.",
                    "photo 2: strap attachment and closure details are only partially visible.",
                    "photo 2: bottom, side seams, and full hardware close-ups are not provided."
                ],
                "authenticity_concerns": [
                    "photos 1-2: no Coach identifiers or Coach-specific construction are visible; the item appears to be a generic embellished fashion handbag rather than a Coach bag."
                ],
                "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 1-2: numerous silver-tone round studs and pyramid studs, plus a silver-tone chain strap; no Coach-specific hardware visible.",
                    "leather_description": "photos 1-2: dusty rose-colored smooth or lightly textured material is visible; exact material cannot be confirmed.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 2: narrow dusty rose strap combined with a silver-tone chain section; long fringe\/tassel trim is attached at the bag sides.",
                    "stitching_description": "photo 2: visible perimeter and strap stitching appears regular, but construction is not detailed enough for brand attribution."
                },
                "possible_model_reasoning": [
                    "photo 2: the rounded pouch silhouette, fringe, chain, and extensive stud decoration do not closely match the listed vintage Coach catalog styles.",
                    "Condition appears approximately Very Good from the exterior photos, with no major damage clearly visible; interior condition, odor, and hardware function are unknown.",
                    "No credible Coach model match is supported by the available photos."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.45,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo 1-2: interior and any creed patch \/ fabric tags not shown legibly",
                    "photo 2: small black tags illegible - need straight-on readable photo",
                    "photo 2: hardware close-ups, zipper brand, and lining not shown",
                    "photo 2: front studded side vs back plain side - full front\/back\/bottom views and dimensions not shown"
                ],
                "negative_evidence": [
                    "photo 1: all-over mixed pyramid and dome stud \/ bling covering - never a vintage Coach classic treatment",
                    "photo 2: side fringe tassels and thin silver-tone chain-plus-leather strap - inconsistent with 1970s-1990s solid-brass Coach construction",
                    "photo 2: thin smooth light pink material with laced top edge, no glove-tanned grain, no turnlock, no brass hardware",
                    "photo 2: only small black fabric-like tags visible, no leather creed patch, no COACH wordmark, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone chain strap combined with thin leather strap; mixed round and pyramid studs on one face (photo 1)",
                    "leather_description": "light dusty rose \/ tan smooth thin material, no glove-tanned grain visible (photo 2)",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "thin flat leather shoulder section joined to silver-tone chain (photo 2)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach silhouette, hardware, leather, or identifier matches; studded fringe chain-strap purse is modern fast-fashion type, not any catalog style in 4.1-4.3",
                    "Condition: Good to Very Good appearance in limited views - no obvious wear shown (photo 2) but bottom, corners, interior not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
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            "estimated_cost_usd": 0.008131
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}