Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.035,
    "vintage_probability": 0.525,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.74,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.755,
    "recommended_max_bid": 10,
    "estimated_resale_low": 9,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 3: clearly a handbag with a flap, snap closure, chain shoulder strap, and interior zip pocket",
        "photo 2: exterior appears to be leather or leather-like material with an embossed snakeskin pattern",
        "photo 6: interior and zip pocket are visible, allowing basic construction assessment",
        "photo 4-5: small leather envelope clutch handbag silhouette - generic shape only, no Coach-specific identifier"
    ],
    "negative_evidence": [
        "photo 3: no visible Coach wordmark, horse-and-carriage emblem, creed patch, or hangtag",
        "photo 4: gold-tone chain and snap hardware do not resemble the solid-brass turnlock construction associated with classic vintage Coach",
        "photo 6: fabric-lined interior and compact envelope-clutch construction are not a recognizable classic Coach silhouette",
        "photo 2: snakeskin-patterned exterior is generic and provides no Coach-specific evidence",
        "listing text: seller identifies the brand as unknown; this is weak context only and is not independently brand evidence",
        "photo 3,6: no creed patch visible on interior back wall or flap underside where Coach creed would sit",
        "photo 1-6: no COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 3,6: snap \/ magnetic snap pair closure, not Coach turnlock geometry",
        "photo 4,5: thin gold-tone chain shoulder strap, not Coach glove-tanned leather strap with brass dogleash\/lobster clips or buckle adjustment",
        "photo 2,4,5: snakeskin-pattern embossed \/ exotic-look exterior, not classic smooth glove-tanned cowhide with suede-back unlined interior",
        "photo 6: fully lined burgundy interior with center zip pocket, not unlined suede-back glove-tanned classic construction"
    ],
    "missing_information": [
        "straight-on photos of every interior wall and pocket, especially any sewn-in leather creed or fabric tag",
        "close-up of the zipper pull and all hardware",
        "bottom, side seams, strap attachment points, and corners",
        "seller-stated dimensions and confirmation whether the exterior is genuine snakeskin, embossed leather, or synthetic material",
        "photo of any interior creed patch \/ brand stamp straight-on in raking light - none visible in photos 3,6",
        "photo of hardware brand stamps on snaps, zipper pull and chain - not shown",
        "photo of bottom, sides and scale\/dimensions - not shown",
        "fabric\/leather content tag or Made-in line if present - not shown"
    ],
    "authenticity_concerns": [
        "The visible design and hardware provide no Coach identifier and are more consistent with a generic vintage clutch than a Coach classic.",
        "The lined envelope-clutch construction and delicate chain strap do not align with the unlined glove-tanned leather, brass turnlock, and strap construction typical of the vintage Coach models in the reference catalog."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match from the visible envelope-clutch shape, chain strap, snakeskin-style exterior, and snap closure.",
        "Condition: Good to Very Good based on visible surface wear, creasing, and age-related finish variation; corners, underside, odor, and strap condition are not fully documented.",
        "No Coach model fits: envelope snap clutch with chain and snakeskin-pattern finish does not match City Bag (9790), Willis (9927), Court (9870), Dinky (9375), Convertible Clutch (9635) or other catalog turnlock glove-tanned styles in closure, hardware, leather and strap",
        "No creed, serial, wordmark, turnlock or hangtag observed to decode era or style; construction inconsistent with 1975-1990s Coach classics",
        "Condition: Good to Very Good; exterior shows age\/wear and patina but no major tears visible in photos 1-5, flap lining shows creasing\/wear in photos 3,6, hardware toned; interior not fully emptied so lining condition unknown"
    ],
    "estimated_era": "unknown",
    "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 3: small gold-tone snap fasteners; photo 4: delicate gold-tone chain strap; photo 6: gold-tone zipper pull. No Coach engraving is legible.",
        "leather_description": "photo 2: burgundy\/oxblood material with an embossed or printed snakeskin-style pattern and glossy finish; genuine leather versus synthetic material cannot be confirmed.",
        "lining_description": "photo 6: dark fabric or synthetic lining is visible, with an interior zip pocket.",
        "strap_construction": "photo 4: thin gold-tone chain attached at the sides; no adjustable leather strap is visible.",
        "stitching_description": "photos 2, 3, and 6: perimeter stitching appears generally even and machine-sewn; close stress-point inspection is unavailable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0017,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.55,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.83,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 3: clearly a handbag with a flap, snap closure, chain shoulder strap, and interior zip pocket",
                    "photo 2: exterior appears to be leather or leather-like material with an embossed snakeskin pattern",
                    "photo 6: interior and zip pocket are visible, allowing basic construction assessment"
                ],
                "negative_evidence": [
                    "photo 3: no visible Coach wordmark, horse-and-carriage emblem, creed patch, or hangtag",
                    "photo 4: gold-tone chain and snap hardware do not resemble the solid-brass turnlock construction associated with classic vintage Coach",
                    "photo 6: fabric-lined interior and compact envelope-clutch construction are not a recognizable classic Coach silhouette",
                    "photo 2: snakeskin-patterned exterior is generic and provides no Coach-specific evidence",
                    "listing text: seller identifies the brand as unknown; this is weak context only and is not independently brand evidence"
                ],
                "missing_information": [
                    "straight-on photos of every interior wall and pocket, especially any sewn-in leather creed or fabric tag",
                    "close-up of the zipper pull and all hardware",
                    "bottom, side seams, strap attachment points, and corners",
                    "seller-stated dimensions and confirmation whether the exterior is genuine snakeskin, embossed leather, or synthetic material"
                ],
                "authenticity_concerns": [
                    "The visible design and hardware provide no Coach identifier and are more consistent with a generic vintage clutch than a Coach classic.",
                    "The lined envelope-clutch construction and delicate chain strap do not align with the unlined glove-tanned leather, brass turnlock, and strap construction typical of the vintage Coach models in the reference catalog."
                ],
                "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 3: small gold-tone snap fasteners; photo 4: delicate gold-tone chain strap; photo 6: gold-tone zipper pull. No Coach engraving is legible.",
                    "leather_description": "photo 2: burgundy\/oxblood material with an embossed or printed snakeskin-style pattern and glossy finish; genuine leather versus synthetic material cannot be confirmed.",
                    "lining_description": "photo 6: dark fabric or synthetic lining is visible, with an interior zip pocket.",
                    "strap_construction": "photo 4: thin gold-tone chain attached at the sides; no adjustable leather strap is visible.",
                    "stitching_description": "photos 2, 3, and 6: perimeter stitching appears generally even and machine-sewn; close stress-point inspection is unavailable."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match from the visible envelope-clutch shape, chain strap, snakeskin-style exterior, and snap closure.",
                    "Condition: Good to Very Good based on visible surface wear, creasing, and age-related finish variation; corners, underside, odor, and strap condition are not fully documented."
                ],
                "confidence": 0.81,
                "recommended_max_bid": 8,
                "estimated_resale_low": 8,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of any interior creed patch \/ brand stamp straight-on in raking light - none visible in photos 3,6",
                    "photo of hardware brand stamps on snaps, zipper pull and chain - not shown",
                    "photo of bottom, sides and scale\/dimensions - not shown",
                    "fabric\/leather content tag or Made-in line if present - not shown"
                ],
                "negative_evidence": [
                    "photo 3,6: no creed patch visible on interior back wall or flap underside where Coach creed would sit",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 3,6: snap \/ magnetic snap pair closure, not Coach turnlock geometry",
                    "photo 4,5: thin gold-tone chain shoulder strap, not Coach glove-tanned leather strap with brass dogleash\/lobster clips or buckle adjustment",
                    "photo 2,4,5: snakeskin-pattern embossed \/ exotic-look exterior, not classic smooth glove-tanned cowhide with suede-back unlined interior",
                    "photo 6: fully lined burgundy interior with center zip pocket, not unlined suede-back glove-tanned classic construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone snap pair (two on flap, two on body in photo 3) and small gold-tone zipper pull in photo 6; thin gold-tone chain shoulder strap in photos 4-5; no COACH engraving visible",
                    "leather_description": "burgundy \/ oxblood snakeskin-pattern textured exterior in photos 1-2, 4-5; smooth burgundy leather-look flap underside in photos 3,6; not smooth glove-tanned cowhide",
                    "lining_description": "burgundy leather-look lining with center zip compartment in photo 6; not unlined suede-back glove-tanned",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "thin edge stitching visible around flap and body in photos 3,6, appears even; no detailed stress-point view",
                    "strap_construction": "delicate thin gold-tone metal chain, attached at side seams with small rings in photos 3-6; no leather shoulder strap, no buckle adjustment, no dogleash clips",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 4-5: small leather envelope clutch handbag silhouette - generic shape only, no Coach-specific identifier"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: envelope snap clutch with chain and snakeskin-pattern finish does not match City Bag (9790), Willis (9927), Court (9870), Dinky (9375), Convertible Clutch (9635) or other catalog turnlock glove-tanned styles in closure, hardware, leather and strap",
                    "No creed, serial, wordmark, turnlock or hangtag observed to decode era or style; construction inconsistent with 1975-1990s Coach classics",
                    "Condition: Good to Very Good; exterior shows age\/wear and patina but no major tears visible in photos 1-5, flap lining shows creasing\/wear in photos 3,6, hardware toned; interior not fully emptied so lining condition unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.04,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18145,
            "output_tokens": 840,
            "total_tokens": 18985,
            "estimated_cost_usd": 0.009274
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18700,
            "output_tokens": 1640,
            "total_tokens": 20340,
            "estimated_cost_usd": 0.005052
        }
    ]
}