Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.015,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.855,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.93,
    "recommended_max_bid": 15,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 55,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag is shown as a modern structured top-handle handbag with a large padlock-style clasp, unlike the documented vintage Coach silhouettes and turnlock geometry.",
        "photo 2: front view shows a Birkin-like flap, strap, padlock and multiple front tabs; no Coach wordmark, carriage, or recognizable Coach hardware is visible.",
        "photo 3: rear view shows modern pebbled leather or leather-like construction, painted edge finishing and contemporary strap tabs rather than classic Coach construction.",
        "photo 4: base shows multiple modern metal feet and a structured framed body; no Coach identifier is visible.",
        "photo 5: interior shows a modern fabric\/leather-lined compartment and zip pocket; no sewn Coach creed patch is visible.",
        "photo 1: seller labels the item unbranded and the product photography appears commercial or stock-style, providing no brand-specific provenance.",
        "photo 2: front closure is Hermes Birkin-style sangles with turn-plate and padlock\/cadenas with clochette, not Coach turnlock geometry",
        "photo 3: back view shows Birkin-style construction with no exterior slip pocket, no creed window, no Coach silhouette cues",
        "photo 4: bottom with 4 stud feet on sangle straps is Birkin-type construction, not Coach Station\/Court base feet",
        "photo 5: interior is leather-lined with zip pocket and slip pocket, no rectangular leather Coach creed patch on back wall or in pocket",
        "photo 1-6: no COACH wordmark, no horse-and-carriage, no leather hangtag with COACH visible",
        "photo 2-6: pebbled taupe leather with contrast light stitching and bright gold-plated hardware does not match vintage Coach glove-tanned + solid brass unmarked hardware"
    ],
    "missing_information": [
        "photo 5: no close-up of the interior back wall, pocket seams, or any label; request a straight-on creed\/brand-label photo.",
        "photo 5: no fabric or care tag is shown; request all interior and seam tags.",
        "photo 2: request close-ups of the clasp, zipper pull, feet, and any hardware engravings.",
        "photo 3: request full side, bottom, and strap\/handle attachment views.",
        "photo 1: seller-stated dimensions, material composition, and country of manufacture are not provided.",
        "No Coach creed patch visible in any photo - interior shows leather lining with no stamped patch (photo 5)",
        "No maker stamp \/ blind stamp \/ fabric tag shown in close-up",
        "No COACH wordmark or horse-and-carriage visible on bag, hardware or hangtag"
    ],
    "authenticity_concerns": [
        "photo 2: the oversized padlock and Birkin-like silhouette are strong lookalike cues, not Coach identifiers.",
        "photo 2: the hardware is bright gold-tone and contemporary-looking, inconsistent with the solid-brass, elegant turnlock hardware typical of classic vintage Coach.",
        "photo 3: the structured silhouette, painted edges, and pebbled finish do not match the unlined glove-tanned construction expected of most vintage Coach classics.",
        "photo 5: the visible interior lacks a clearly visible sewn Coach creed or wordmark; this prevents any Coach attribution."
    ],
    "possible_model_reasoning": [
        "The silhouette resembles a generic or designer-inspired Birkin-style handbag, not a documented Coach model; no Coach model is proposed.",
        "Condition: appears New or Like New in the commercial photos, with no obvious visible wear, but authenticity, actual condition, and whether the photos depict the exact listed item are unverified.",
        "Silhouette, proportions, sangles, turn-plate + padlock + clochette, rolled handles, bottom feet and interior layout match Hermes Birkin 30 type, not any Coach catalog style in 4.1-4.3",
        "No Coach hard identifiers (creed, serial, wordmark, hangtag, Talon\/YKK Coach context) visible despite clear high-resolution front, back, bottom and interior views",
        "Construction (pebbled leather with contrast stitch, leather lining, bright plated hardware) inconsistent with 1970s-1990s Coach glove-tanned unlined + solid brass",
        "Condition: Like New to Excellent; clean exterior (photo 2-4), clean interior (photo 5), hardware bright, corners intact"
    ],
    "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 2: bright gold-tone rectangular clasp with a hanging padlock; photo 4: multiple small gold-tone feet; no Coach engraving is visible.",
        "leather_description": "photo 2: beige\/taupe pebbled leather or leather-like material with finished edges; exact material cannot be confirmed from photos.",
        "lining_description": "photo 5: light-colored lined interior with a central zip compartment and slip compartments; no brand label is visible.",
        "strap_construction": "photos 2-3: two fixed rolled top handles and decorative front strap tabs; no detachable shoulder strap is visible.",
        "stitching_description": "photos 2-4: visible light contrast stitching appears generally even and machine-stitched; no Coach-specific construction can be established."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0002,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag is shown as a modern structured top-handle handbag with a large padlock-style clasp, unlike the documented vintage Coach silhouettes and turnlock geometry.",
                    "photo 2: front view shows a Birkin-like flap, strap, padlock and multiple front tabs; no Coach wordmark, carriage, or recognizable Coach hardware is visible.",
                    "photo 3: rear view shows modern pebbled leather or leather-like construction, painted edge finishing and contemporary strap tabs rather than classic Coach construction.",
                    "photo 4: base shows multiple modern metal feet and a structured framed body; no Coach identifier is visible.",
                    "photo 5: interior shows a modern fabric\/leather-lined compartment and zip pocket; no sewn Coach creed patch is visible.",
                    "photo 1: seller labels the item unbranded and the product photography appears commercial or stock-style, providing no brand-specific provenance."
                ],
                "missing_information": [
                    "photo 5: no close-up of the interior back wall, pocket seams, or any label; request a straight-on creed\/brand-label photo.",
                    "photo 5: no fabric or care tag is shown; request all interior and seam tags.",
                    "photo 2: request close-ups of the clasp, zipper pull, feet, and any hardware engravings.",
                    "photo 3: request full side, bottom, and strap\/handle attachment views.",
                    "photo 1: seller-stated dimensions, material composition, and country of manufacture are not provided."
                ],
                "authenticity_concerns": [
                    "photo 2: the oversized padlock and Birkin-like silhouette are strong lookalike cues, not Coach identifiers.",
                    "photo 2: the hardware is bright gold-tone and contemporary-looking, inconsistent with the solid-brass, elegant turnlock hardware typical of classic vintage Coach.",
                    "photo 3: the structured silhouette, painted edges, and pebbled finish do not match the unlined glove-tanned construction expected of most vintage Coach classics.",
                    "photo 5: the visible interior lacks a clearly visible sewn Coach creed or wordmark; this prevents any Coach attribution."
                ],
                "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 2: bright gold-tone rectangular clasp with a hanging padlock; photo 4: multiple small gold-tone feet; no Coach engraving is visible.",
                    "leather_description": "photo 2: beige\/taupe pebbled leather or leather-like material with finished edges; exact material cannot be confirmed from photos.",
                    "lining_description": "photo 5: light-colored lined interior with a central zip compartment and slip compartments; no brand label is visible.",
                    "strap_construction": "photos 2-3: two fixed rolled top handles and decorative front strap tabs; no detachable shoulder strap is visible.",
                    "stitching_description": "photos 2-4: visible light contrast stitching appears generally even and machine-stitched; no Coach-specific construction can be established."
                },
                "possible_model_reasoning": [
                    "The silhouette resembles a generic or designer-inspired Birkin-style handbag, not a documented Coach model; no Coach model is proposed.",
                    "Condition: appears New or Like New in the commercial photos, with no obvious visible wear, but authenticity, actual condition, and whether the photos depict the exact listed item are unverified."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 50
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.01,
                "confidence": 0.95,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 60,
                "estimated_resale_low": 20,
                "image_quality_score": 0.85,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach creed patch visible in any photo - interior shows leather lining with no stamped patch (photo 5)",
                    "No maker stamp \/ blind stamp \/ fabric tag shown in close-up",
                    "No COACH wordmark or horse-and-carriage visible on bag, hardware or hangtag"
                ],
                "negative_evidence": [
                    "photo 2: front closure is Hermes Birkin-style sangles with turn-plate and padlock\/cadenas with clochette, not Coach turnlock geometry",
                    "photo 3: back view shows Birkin-style construction with no exterior slip pocket, no creed window, no Coach silhouette cues",
                    "photo 4: bottom with 4 stud feet on sangle straps is Birkin-type construction, not Coach Station\/Court base feet",
                    "photo 5: interior is leather-lined with zip pocket and slip pocket, no rectangular leather Coach creed patch on back wall or in pocket",
                    "photo 1-6: no COACH wordmark, no horse-and-carriage, no leather hangtag with COACH visible",
                    "photo 2-6: pebbled taupe leather with contrast light stitching and bright gold-plated hardware does not match vintage Coach glove-tanned + solid brass unmarked hardware"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone hardware: front turn-plate with padlock and clochette, sangle studs, bottom stud feet, zipper pull; plated appearance, not vintage solid brass unmarked Coach hardware",
                    "leather_description": "taupe \/ greige pebbled grain leather with sheen, appears uniform, structured",
                    "lining_description": "matching taupe leather lining visible in photo 5, no raw suede unlined interior",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even light-contrast stitching around flap, sangles, handles and feet; saddle-style, not tone-on-tone Coach classic stitching",
                    "strap_construction": "dual rolled top handles set through reinforced eyelets, no detachable crossbody strap with dogleash clips or buckle adjustment",
                    "turnlock_present": true
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Silhouette, proportions, sangles, turn-plate + padlock + clochette, rolled handles, bottom feet and interior layout match Hermes Birkin 30 type, not any Coach catalog style in 4.1-4.3",
                    "No Coach hard identifiers (creed, serial, wordmark, hangtag, Talon\/YKK Coach context) visible despite clear high-resolution front, back, bottom and interior views",
                    "Construction (pebbled leather with contrast stitch, leather lining, bright plated hardware) inconsistent with 1970s-1990s Coach glove-tanned unlined + solid brass",
                    "Condition: Like New to Excellent; clean exterior (photo 2-4), clean interior (photo 5), hardware bright, corners intact"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28926,
            "output_tokens": 859,
            "total_tokens": 29785,
            "estimated_cost_usd": 0.013632
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30587,
            "output_tokens": 1507,
            "total_tokens": 32094,
            "estimated_cost_usd": 0.007323
        }
    ]
}