Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.02,
    "vintage_probability": 0.625,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.73,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.855,
    "recommended_max_bid": 10,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: The visible bag is a framed clutch with glossy patent-like material, unlike the unlined glove-tanned leather commonly associated with vintage Coach.",
        "photo 4: Interior shows a visible pink oval label reading Ande, not Coach.",
        "photo 4: The bag has a synthetic-looking textile lining and zipper pocket, with no visible Coach creed.",
        "photo 3: Closure is a framed clasp rather than a Coach-style vintage turnlock.",
        "photo 5: Chain strap and glossy gathered patent construction are not characteristic evidence of vintage Coach.",
        "Listing text: Seller identifies two bags as Ande; this is weak seller-provided evidence but is consistent with the visible Ande label.",
        "photo 4: interior shows oval pink 'Ande' brand label, not a Coach creed patch",
        "photo 1, photo 2, photo 5: black patent \/ glossy coated material with kisslock \/ frame clasp, not Coach glove-tanned leather",
        "photo 4: black fabric lining with zip pocket, not unlined suede-back glove-tanned interior of vintage Coach classics",
        "photo 3, photo 5: frame snap clasp and thin gold-tone chain strap, no Coach turnlock geometry, no solid brass hardware, no dogleash clips",
        "photo 1-6: no COACH wordmark, no horse-and-carriage, no leather creed patch, no hangtag visible in any view"
    ],
    "missing_information": [
        "photo 4: The interiors and labels of the other two purses are not shown clearly enough to evaluate their brands.",
        "Straight-on close-ups of every interior label, sewn tag, or stamped leather patch are needed.",
        "Full front, back, bottom, side, and hardware photos of the brown clutch are missing.",
        "The third clutch's brand and construction are not sufficiently visible.",
        "Seller-stated dimensions, materials, and any readable brand markings for each purse would help.",
        "photos of other 2 bags in lot (brown clutch and crystal-snap clutch) not provided in this image set",
        "bottom, side and scale views not shown, but not needed for Coach determination"
    ],
    "authenticity_concerns": [
        "photo 4: The visible Ande label is inconsistent with Coach manufacture for the pictured purse.",
        "No Coach identifier is visible on the photographed bag; the glossy patent-like material and fashion-clutch construction provide no basis for treating it as Coach."
    ],
    "possible_model_reasoning": [
        "The pictured purse is a generic or Ande framed evening clutch, not a recognizable Coach catalog model.",
        "The other two purses cannot be assigned Coach models because their interiors, labels, and construction details are not adequately shown.",
        "Condition: approximately Good for the pictured patent clutch; visible surface scuffing\/discoloration and wear appear in photos 2 and 4, while the other two bags cannot be graded fully.",
        "No Coach identifier visible in any photo; visible Ande brand label positively identifies maker as Ande, not Coach",
        "Silhouette is gathered frame clutch \/ evening bag with snap frame, a form never in Coach classic catalog (no turnlock flap, no unlined glove-tanned construction)",
        "Materials (patent-coated body, fabric lining, plated chain) are inconsistent with 1970s-1990s Coach glove-tanned + solid brass + unlined construction",
        "Condition: Good to Very Good for pictured black clutch; glossy surface with light wear, clasp functional in photos; full lot condition unknown as other 2 bags not shown"
    ],
    "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\/photo 3: Small gold-tone framed clasp; photo 5: thin gold-tone chain strap. No Coach engraving is visible.",
        "leather_description": "photo 1\/photo 2: Highly glossy black patent-like material with gathered vertical pleating; it does not appear to be glove-tanned leather.",
        "lining_description": "photo 4: Black synthetic-looking textile lining with a zippered interior pocket and a pink oval Ande label.",
        "strap_construction": "photo 5: Thin gold-tone chain attached at both upper sides and apparently foldable into the bag.",
        "stitching_description": "photo 4: Even machine stitching is visible along the interior pocket and lining; no distinctive Coach construction is apparent."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0011,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.55,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.76,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: The visible bag is a framed clutch with glossy patent-like material, unlike the unlined glove-tanned leather commonly associated with vintage Coach.",
                    "photo 4: Interior shows a visible pink oval label reading Ande, not Coach.",
                    "photo 4: The bag has a synthetic-looking textile lining and zipper pocket, with no visible Coach creed.",
                    "photo 3: Closure is a framed clasp rather than a Coach-style vintage turnlock.",
                    "photo 5: Chain strap and glossy gathered patent construction are not characteristic evidence of vintage Coach.",
                    "Listing text: Seller identifies two bags as Ande; this is weak seller-provided evidence but is consistent with the visible Ande label."
                ],
                "missing_information": [
                    "photo 4: The interiors and labels of the other two purses are not shown clearly enough to evaluate their brands.",
                    "Straight-on close-ups of every interior label, sewn tag, or stamped leather patch are needed.",
                    "Full front, back, bottom, side, and hardware photos of the brown clutch are missing.",
                    "The third clutch's brand and construction are not sufficiently visible.",
                    "Seller-stated dimensions, materials, and any readable brand markings for each purse would help."
                ],
                "authenticity_concerns": [
                    "photo 4: The visible Ande label is inconsistent with Coach manufacture for the pictured purse.",
                    "No Coach identifier is visible on the photographed bag; the glossy patent-like material and fashion-clutch construction provide no basis for treating it as 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\/photo 3: Small gold-tone framed clasp; photo 5: thin gold-tone chain strap. No Coach engraving is visible.",
                    "leather_description": "photo 1\/photo 2: Highly glossy black patent-like material with gathered vertical pleating; it does not appear to be glove-tanned leather.",
                    "lining_description": "photo 4: Black synthetic-looking textile lining with a zippered interior pocket and a pink oval Ande label.",
                    "strap_construction": "photo 5: Thin gold-tone chain attached at both upper sides and apparently foldable into the bag.",
                    "stitching_description": "photo 4: Even machine stitching is visible along the interior pocket and lining; no distinctive Coach construction is apparent."
                },
                "possible_model_reasoning": [
                    "The pictured purse is a generic or Ande framed evening clutch, not a recognizable Coach catalog model.",
                    "The other two purses cannot be assigned Coach models because their interiors, labels, and construction details are not adequately shown.",
                    "Condition: approximately Good for the pictured patent clutch; visible surface scuffing\/discoloration and wear appear in photos 2 and 4, while the other two bags cannot be graded fully."
                ],
                "confidence": 0.83,
                "recommended_max_bid": 10,
                "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": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photos of other 2 bags in lot (brown clutch and crystal-snap clutch) not provided in this image set",
                    "bottom, side and scale views not shown, but not needed for Coach determination"
                ],
                "negative_evidence": [
                    "photo 4: interior shows oval pink 'Ande' brand label, not a Coach creed patch",
                    "photo 1, photo 2, photo 5: black patent \/ glossy coated material with kisslock \/ frame clasp, not Coach glove-tanned leather",
                    "photo 4: black fabric lining with zip pocket, not unlined suede-back glove-tanned interior of vintage Coach classics",
                    "photo 3, photo 5: frame snap clasp and thin gold-tone chain strap, no Coach turnlock geometry, no solid brass hardware, no dogleash clips",
                    "photo 1-6: no COACH wordmark, no horse-and-carriage, no leather creed patch, no hangtag visible in any view"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone frame \/ snap clasp (photo 3) and thin gold-tone chain strap (photo 5); plated costume jewelry tone, not solid vintage Coach brass turnlock or brass hardware",
                    "leather_description": "black high-gloss patent \/ patent-like coated material with gathered ruched body (photo 1, photo 2); not glove-tanned cowhide, no natural grain, scars or patina",
                    "lining_description": "black woven fabric lining with interior zip pocket (photo 4)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "thin gold-tone metal chain, can be tucked inside for clutch use (photo 5)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo; visible Ande brand label positively identifies maker as Ande, not Coach",
                    "Silhouette is gathered frame clutch \/ evening bag with snap frame, a form never in Coach classic catalog (no turnlock flap, no unlined glove-tanned construction)",
                    "Materials (patent-coated body, fabric lining, plated chain) are inconsistent with 1970s-1990s Coach glove-tanned + solid brass + unlined construction",
                    "Condition: Good to Very Good for pictured black clutch; glossy surface with light wear, clasp functional in photos; full lot condition unknown as other 2 bags not shown"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.7
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18209,
            "output_tokens": 900,
            "total_tokens": 19109,
            "estimated_cost_usd": 0.009444
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18764,
            "output_tokens": 1258,
            "total_tokens": 20022,
            "estimated_cost_usd": 0.004759
        }
    ]
}