Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.705,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.9,
    "recommended_max_bid": 8.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with top handles and a detachable shoulder\/crossbody strap."
    ],
    "negative_evidence": [
        "photo 1: Seller describes the material as faux leather, which is strongly inconsistent with typical vintage Coach leather.",
        "photo 1: The bag has a generic pebbled synthetic-looking finish and an apparent non-Coach wordmark reading \"CLASSIC\" rather than COACH.",
        "photo 1: No Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or recognizable vintage Coach hardware is visible.",
        "photo 1: Bright plated-looking clasp hardware and generic overall construction are inconsistent with classic vintage Coach designs.",
        "photo 1: seller title states Faux Leather - faux\/PU material per Step 1 gives coach_probability <=0.05",
        "photo 1: pebbled faux-leather texture with uniform tan color and painted edges, not vintage glove-tanned cowhide with suede back",
        "photo 1: bright gold-tone plated lobster clips and D-rings, not solid brass vintage hardware",
        "photo 1: non-Coach wordmark stamped on front center (reads CLAR...), no COACH wordmark or horse-and-carriage visible",
        "photo 1: modern tote silhouette with dual top handles + detachable crossbody strap, no catalog Coach classic silhouette, turnlock, or bead-chain hangtag"
    ],
    "missing_information": [
        "photo 1: Interior, lining, underside, zipper pulls, and any labels are not shown.",
        "photo 1: Close-ups of the exterior wordmark, hardware, strap attachments, and bottom would be needed for fuller assessment.",
        "photo 1 only front view: no interior, creed, bottom, back, side, hardware close-up views to verify further",
        "no creed patch shown - request interior back wall \/ slip pocket straight-on in raking light",
        "no turnlock, zipper-pull stamp, or Made-in line visible to assess"
    ],
    "authenticity_concerns": [
        "photo 1: The visible \"CLASSIC\" branding and seller's faux-leather description indicate a generic non-Coach handbag, not a Coach bag.",
        "photo 1: The synthetic-looking material and generic plated hardware are inconsistent with a vintage Coach classic."
    ],
    "possible_model_reasoning": [
        "photo 1: The tote\/shoulder\/crossbody silhouette is a generic modern handbag and does not closely establish a Coach catalog model.",
        "photo 1: Condition appears approximately Like New based on the clean exterior, but interior and functional details are unshown.",
        "photo 1: The seller's unbranded\/faux-leather description is consistent with the visible generic construction, though seller text alone is not being used as authentication.",
        "not a Coach silhouette: modern pebbled faux-leather tote with top handles and detachable strap does not match City Bag, Willis, Court, Station or other classics",
        "no hard identifiers: no creed patch, no No. serial, no COACH wordmark, no turnlock, no leather COACH hangtag visible in photo 1",
        "material and hardware point to modern non-Coach: faux leather plus bright plated hardware per Step 1 caps coach_probability at 0.01-0.03",
        "Condition: New-appearing stock-type front view only; no corners, bottom, interior or strap wear visible so no grade can be assigned beyond appearing unused"
    ],
    "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: Thin bright metal lobster-style strap clasps and rings are visible; a plain oval leather hangtag is present but no COACH text is legible.",
        "leather_description": "photo 1: Uniform orange-brown pebbled material is visible; seller identifies it as faux leather, and the surface appears synthetic rather than glove-tanned leather.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Detachable adjustable shoulder\/crossbody strap with thin matching material and metal swivel clasps; two rounded top handles are attached at the sides.",
        "stitching_description": "photo 1: Perimeter stitching appears generally even and machine-made; close stress-point details are limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0035,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with top handles and a detachable shoulder\/crossbody strap."
                ],
                "negative_evidence": [
                    "photo 1: Seller describes the material as faux leather, which is strongly inconsistent with typical vintage Coach leather.",
                    "photo 1: The bag has a generic pebbled synthetic-looking finish and an apparent non-Coach wordmark reading \"CLASSIC\" rather than COACH.",
                    "photo 1: No Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or recognizable vintage Coach hardware is visible.",
                    "photo 1: Bright plated-looking clasp hardware and generic overall construction are inconsistent with classic vintage Coach designs."
                ],
                "missing_information": [
                    "photo 1: Interior, lining, underside, zipper pulls, and any labels are not shown.",
                    "photo 1: Close-ups of the exterior wordmark, hardware, strap attachments, and bottom would be needed for fuller assessment."
                ],
                "authenticity_concerns": [
                    "photo 1: The visible \"CLASSIC\" branding and seller's faux-leather description indicate a generic non-Coach handbag, not a Coach bag.",
                    "photo 1: The synthetic-looking material and generic plated hardware are inconsistent with a vintage Coach classic."
                ],
                "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": true,
                    "hardware_description": "photo 1: Thin bright metal lobster-style strap clasps and rings are visible; a plain oval leather hangtag is present but no COACH text is legible.",
                    "leather_description": "photo 1: Uniform orange-brown pebbled material is visible; seller identifies it as faux leather, and the surface appears synthetic rather than glove-tanned leather.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Detachable adjustable shoulder\/crossbody strap with thin matching material and metal swivel clasps; two rounded top handles are attached at the sides.",
                    "stitching_description": "photo 1: Perimeter stitching appears generally even and machine-made; close stress-point details are limited."
                },
                "possible_model_reasoning": [
                    "photo 1: The tote\/shoulder\/crossbody silhouette is a generic modern handbag and does not closely establish a Coach catalog model.",
                    "photo 1: Condition appears approximately Like New based on the clean exterior, but interior and functional details are unshown.",
                    "photo 1: The seller's unbranded\/faux-leather description is consistent with the visible generic construction, though seller text alone is not being used as authentication."
                ],
                "confidence": 0.9,
                "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": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1 only front view: no interior, creed, bottom, back, side, hardware close-up views to verify further",
                    "no creed patch shown - request interior back wall \/ slip pocket straight-on in raking light",
                    "no turnlock, zipper-pull stamp, or Made-in line visible to assess"
                ],
                "negative_evidence": [
                    "photo 1: seller title states Faux Leather - faux\/PU material per Step 1 gives coach_probability <=0.05",
                    "photo 1: pebbled faux-leather texture with uniform tan color and painted edges, not vintage glove-tanned cowhide with suede back",
                    "photo 1: bright gold-tone plated lobster clips and D-rings, not solid brass vintage hardware",
                    "photo 1: non-Coach wordmark stamped on front center (reads CLAR...), no COACH wordmark or horse-and-carriage visible",
                    "photo 1: modern tote silhouette with dual top handles + detachable crossbody strap, no catalog Coach classic silhouette, turnlock, or bead-chain hangtag"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone plated hardware: lobster-clasp shoulder strap attachments and small chain for oval tag; shiny plated finish, modern style",
                    "leather_description": "pebbled faux leather tote in tan\/cognac brown per seller title; uniform grain, no patina or natural scars\/veins",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-matched edge stitching visible along top and sides; even but no vintage Coach stress-point detail visible",
                    "strap_construction": "dual rolled top handles plus detachable adjustable shoulder\/crossbody strap on lobster clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "not a Coach silhouette: modern pebbled faux-leather tote with top handles and detachable strap does not match City Bag, Willis, Court, Station or other classics",
                    "no hard identifiers: no creed patch, no No. serial, no COACH wordmark, no turnlock, no leather COACH hangtag visible in photo 1",
                    "material and hardware point to modern non-Coach: faux leather plus bright plated hardware per Step 1 caps coach_probability at 0.01-0.03",
                    "Condition: New-appearing stock-type front view only; no corners, bottom, interior or strap wear visible so no grade can be assigned beyond appearing unused"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
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            "model_name": "meta:muse-spark-1.3-contributor",
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}