Vintage Coach Hunter

{
    "is_handbag_probability": 0.875,
    "coach_probability": 0.04,
    "vintage_probability": 0.04,
    "authenticity_confidence": 0.04,
    "image_quality_score": 0.235,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.215,
    "recommended_max_bid": 5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: A leather-like light blue bag surface and detachable chain\/strap hardware are visible, consistent with a handbag.",
        "photo 1: leather flap bag with turning T-bar lock"
    ],
    "negative_evidence": [
        "photo 1: Hardware is very bright, highly plated-looking gold-tone metal with a large rectangular clasp and chain, unlike typical vintage Coach solid-brass turnlocks.",
        "photo 1: No Coach wordmark, horse-and-carriage, creed patch, serial number, or hangtag is visible.",
        "photo 1: The visible clasp is oversized and blocky rather than the slimmer rounded geometry associated with classic Coach turnlocks.",
        "photo 1: All five supplied images are near-duplicates of the same hardware close-up and do not establish a recognizable Coach silhouette.",
        "photo 1: lock is chunky rectangular plate with cylindrical T-bar toggle, not Coach thin oval back-plate with slim rounded tab",
        "photo 1: hardware is bright mirror-gold plated, not vintage solid brass with warm dull patina",
        "photos 1-5: same lock close-up repeated, no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1: pebbled light blue-grey leather with painted\/finished flap edge, not vintage glove-tanned suede-back construction"
    ],
    "missing_information": [
        "Straight-on full front and back photos of the bag.",
        "Interior photo showing the back wall, pockets, creed patch, and any fabric tags.",
        "Close-up of every label, stamp, zipper pull, and hardware engraving.",
        "Bottom, side, corners, strap attachments, and full detachable strap.",
        "Seller-stated dimensions and material composition.",
        "all standard views except lock close-up missing - front, back, sides, bottom, interior, strap (photos 1-5 are same close-up)",
        "creed patch straight-on in raking light not shown",
        "interior lining and pockets not shown",
        "full silhouette, dimensions\/scale and strap construction not shown",
        "hangtag both faces and hardware engravings not shown"
    ],
    "authenticity_concerns": [
        "photo 1: Bright plated-looking, blocky clasp and chain are common lookalike construction cues rather than characteristic vintage Coach hardware.",
        "photo 1: The visible hardware appears modern and generic, while no Coach identifier is shown; Coach manufacture cannot be supported from these photos."
    ],
    "possible_model_reasoning": [
        "photo 1: The partial half-moon description is seller-stated and cannot be matched reliably because the full silhouette is absent.",
        "photo 1: The clasp does not visibly match the classic Coach turnlock geometry, and no Coach identifier is present.",
        "Condition cannot be graded reliably; only hardware close-ups are supplied, with the full bag, corners, interior, and strap not shown.",
        "no Coach identifier visible in any photo to support a catalog match",
        "lock geometry and bright plating inconsistent with Coach vintage turnlock per skill 3.2",
        "leather color\/finish and lock style suggest modern fast-fashion half-moon crossbody, not a catalog Coach silhouette",
        "Condition: cannot grade; only lock close-up shown, corners, interior, strap unknown"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": true,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1: Bright gold-tone plated-looking rectangular clasp\/turning mechanism with attached chain and rounded rings; no engraving is legible.",
        "leather_description": "photo 1: Light blue textured leather-like exterior is partially visible; exact leather or synthetic composition is not determinable.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Detachable chain\/strap attachment hardware is visible; full strap construction is not shown.",
        "stitching_description": "photo 1: light tone straight stitch along flap edge, small segment visible only"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0004,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.85,
                "coach_probability": 0.05,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.22,
                "seller_misidentification_probability": 0.05,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: A leather-like light blue bag surface and detachable chain\/strap hardware are visible, consistent with a handbag."
                ],
                "negative_evidence": [
                    "photo 1: Hardware is very bright, highly plated-looking gold-tone metal with a large rectangular clasp and chain, unlike typical vintage Coach solid-brass turnlocks.",
                    "photo 1: No Coach wordmark, horse-and-carriage, creed patch, serial number, or hangtag is visible.",
                    "photo 1: The visible clasp is oversized and blocky rather than the slimmer rounded geometry associated with classic Coach turnlocks.",
                    "photo 1: All five supplied images are near-duplicates of the same hardware close-up and do not establish a recognizable Coach silhouette."
                ],
                "missing_information": [
                    "Straight-on full front and back photos of the bag.",
                    "Interior photo showing the back wall, pockets, creed patch, and any fabric tags.",
                    "Close-up of every label, stamp, zipper pull, and hardware engraving.",
                    "Bottom, side, corners, strap attachments, and full detachable strap.",
                    "Seller-stated dimensions and material composition."
                ],
                "authenticity_concerns": [
                    "photo 1: Bright plated-looking, blocky clasp and chain are common lookalike construction cues rather than characteristic vintage Coach hardware.",
                    "photo 1: The visible hardware appears modern and generic, while no Coach identifier is shown; Coach manufacture cannot be supported from these photos."
                ],
                "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": true,
                    "hangtag_present": false,
                    "hardware_description": "photo 1: Bright gold-tone plated-looking rectangular clasp\/turning mechanism with attached chain and rounded rings; no engraving is legible.",
                    "leather_description": "photo 1: Light blue textured leather-like exterior is partially visible; exact leather or synthetic composition is not determinable.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Detachable chain\/strap attachment hardware is visible; full strap construction is not shown.",
                    "stitching_description": "not_visible"
                },
                "possible_model_reasoning": [
                    "photo 1: The partial half-moon description is seller-stated and cannot be matched reliably because the full silhouette is absent.",
                    "photo 1: The clasp does not visibly match the classic Coach turnlock geometry, and no Coach identifier is present.",
                    "Condition cannot be graded reliably; only hardware close-ups are supplied, with the full bag, corners, interior, and strap not shown."
                ],
                "confidence": 0.18,
                "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": 0.05,
                "coach_probability": 0.03,
                "confidence": 0.25,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.25,
                "is_handbag_probability": 0.9,
                "missing_information": [
                    "all standard views except lock close-up missing - front, back, sides, bottom, interior, strap (photos 1-5 are same close-up)",
                    "creed patch straight-on in raking light not shown",
                    "interior lining and pockets not shown",
                    "full silhouette, dimensions\/scale and strap construction not shown",
                    "hangtag both faces and hardware engravings not shown"
                ],
                "negative_evidence": [
                    "photo 1: lock is chunky rectangular plate with cylindrical T-bar toggle, not Coach thin oval back-plate with slim rounded tab",
                    "photo 1: hardware is bright mirror-gold plated, not vintage solid brass with warm dull patina",
                    "photos 1-5: same lock close-up repeated, no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1: pebbled light blue-grey leather with painted\/finished flap edge, not vintage glove-tanned suede-back construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 1: bright mirror-gold rectangular lock plate with cylindrical T-bar toggle and small chain tail; chunky blocky geometry, plated appearance",
                    "leather_description": "photo 1: light blue-grey pebbled grain leather on flap\/body exterior only",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1: light tone straight stitch along flap edge, small segment visible only",
                    "strap_construction": "not_visible",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 1: leather flap bag with turning T-bar lock"
                ],
                "possible_model_reasoning": [
                    "no Coach identifier visible in any photo to support a catalog match",
                    "lock geometry and bright plating inconsistent with Coach vintage turnlock per skill 3.2",
                    "leather color\/finish and lock style suggest modern fast-fashion half-moon crossbody, not a catalog Coach silhouette",
                    "Condition: cannot grade; only lock close-up shown, corners, interior, strap unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 5,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 23796,
            "output_tokens": 680,
            "total_tokens": 24476,
            "estimated_cost_usd": 0.01115
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 24503,
            "output_tokens": 1166,
            "total_tokens": 25669,
            "estimated_cost_usd": 0.005833
        }
    ]
}