Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.035,
    "vintage_probability": 0.115,
    "authenticity_confidence": 0.035,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.74,
    "recommended_max_bid": 9,
    "estimated_resale_low": 10,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a structured leather or leather-like shoulder handbag with a flap and gold-tone hardware.",
        "photo 3: The side construction and long shoulder strap are visible."
    ],
    "negative_evidence": [
        "photo 1: Glossy crocodile embossing is not characteristic of the classic unlined glove-tanned Coach handbag population.",
        "photo 1: The central clasp is a generic square geometric closure rather than a recognizable vintage Coach turnlock.",
        "photo 1: No COACH wordmark, horse-and-carriage, leather hangtag, or other Coach identifier is visible.",
        "photo 4: The rear panel has no visible branding or creed patch.",
        "photo 6: The interior view is too limited to show a Coach creed, serial, or brand label.",
        "photo 1, photo 2: glossy black croc-embossed finish unlike matte glove-tanned cowhide",
        "photo 1, photo 2, photo 3: small square bright gold-tone flap lock, not Coach wide oval turnlock geometry",
        "photo 1, photo 5: bright plated gold-tone strap rings, not aged solid brass",
        "photo 6: blurry interior appears fabric-lined, not unlined suede-back glove-tanned",
        "all photos: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible"
    ],
    "missing_information": [
        "photo 6: Full interior emptied and photographed in bright light, including every wall, pocket, seam, and label.",
        "Straight-on close-up of any interior leather patch or fabric tag.",
        "Close-ups of the clasp, strap attachments, zipper pulls, and any hardware stamps.",
        "Bottom, corners, and strap underside to assess material and construction.",
        "Seller-stated dimensions and confirmation whether the material is genuine leather or synthetic.",
        "photo 6 is blurry and dark: clear straight-on interior and lining photos emptied",
        "creed patch \/ interior back wall and pocket close-up in raking light",
        "close-up of flap lock front and back plate and strap hardware stamps",
        "front, bottom with corners, and strap full-length views",
        "any hangtag, wordmark, or Made-in stamp"
    ],
    "authenticity_concerns": [
        "photo 1: The glossy embossed finish and prominent geometric clasp are consistent with a generic or lookalike fashion handbag, not a documented Coach classic silhouette.",
        "photo 1: No visible Coach identifiers support Coach manufacture; this cannot be authenticated as Coach from the supplied views.",
        "photo 1, photo 2: no Coach identifier visible yet construction is inconsistent with vintage Coach classics"
    ],
    "possible_model_reasoning": [
        "The flap shoulder-bag silhouette is not enough to match a Coach model, and no catalog-specific Coach construction or identifier is visible.",
        "The seller's Y2K wording is unverified listing text and does not establish age; the glossy embossed finish and hardware suggest a modern 2000s-or-later generic bag.",
        "Condition: approximately Very Good from the visible exterior; the bag appears intact with no obvious major tears, but the interior, corners, odor, and strap wear are incompletely documented.",
        "No Coach model fits: silhouette is a croc-embossed flap shoulder bag with square lock, not a catalog City Bag, Willis, Court, Station, Dinky or other classic; no creed, serial, wordmark or brass turnlock to decode",
        "Era reasoning: glossy embossed finish, plated square hardware and seller Y2K styling point to modern (2000s+) non-Coach",
        "Condition: Good to Very Good exterior for a generic bag; front and back show glossy surface without obvious corner wear in photos 1-2 and 5, but bottom, interior and strap wear unknown so grade capped"
    ],
    "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: Gold-tone rectangular geometric flap clasp and rectangular strap fittings are visible; no Coach engraving is legible. photo 3: Hardware appears bright and plated, but close-up quality is insufficient to assess construction.",
        "leather_description": "photo 1: Black, highly glossy crocodile-embossed material is visible; exact leather versus coated or synthetic material cannot be confirmed.",
        "lining_description": "photo 6: A dark interior is partially visible, but the lining material, pockets, and labels cannot be assessed.",
        "strap_construction": "photos 1 and 5: Single adjustable-looking shoulder strap attached at both upper corners with gold-tone rectangular fittings; buckle holes and underside are not shown.",
        "stitching_description": "photos 1-5: Perimeter stitching is visible and generally even, though detailed stitch quality is not sufficiently close for authentication."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0023,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a structured leather or leather-like shoulder handbag with a flap and gold-tone hardware.",
                    "photo 3: The side construction and long shoulder strap are visible."
                ],
                "negative_evidence": [
                    "photo 1: Glossy crocodile embossing is not characteristic of the classic unlined glove-tanned Coach handbag population.",
                    "photo 1: The central clasp is a generic square geometric closure rather than a recognizable vintage Coach turnlock.",
                    "photo 1: No COACH wordmark, horse-and-carriage, leather hangtag, or other Coach identifier is visible.",
                    "photo 4: The rear panel has no visible branding or creed patch.",
                    "photo 6: The interior view is too limited to show a Coach creed, serial, or brand label."
                ],
                "missing_information": [
                    "photo 6: Full interior emptied and photographed in bright light, including every wall, pocket, seam, and label.",
                    "Straight-on close-up of any interior leather patch or fabric tag.",
                    "Close-ups of the clasp, strap attachments, zipper pulls, and any hardware stamps.",
                    "Bottom, corners, and strap underside to assess material and construction.",
                    "Seller-stated dimensions and confirmation whether the material is genuine leather or synthetic."
                ],
                "authenticity_concerns": [
                    "photo 1: The glossy embossed finish and prominent geometric clasp are consistent with a generic or lookalike fashion handbag, not a documented Coach classic silhouette.",
                    "photo 1: No visible Coach identifiers support Coach manufacture; this cannot be authenticated as Coach from the supplied views."
                ],
                "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: Gold-tone rectangular geometric flap clasp and rectangular strap fittings are visible; no Coach engraving is legible. photo 3: Hardware appears bright and plated, but close-up quality is insufficient to assess construction.",
                    "leather_description": "photo 1: Black, highly glossy crocodile-embossed material is visible; exact leather versus coated or synthetic material cannot be confirmed.",
                    "lining_description": "photo 6: A dark interior is partially visible, but the lining material, pockets, and labels cannot be assessed.",
                    "strap_construction": "photos 1 and 5: Single adjustable-looking shoulder strap attached at both upper corners with gold-tone rectangular fittings; buckle holes and underside are not shown.",
                    "stitching_description": "photos 1-5: Perimeter stitching is visible and generally even, though detailed stitch quality is not sufficiently close for authentication."
                },
                "possible_model_reasoning": [
                    "The flap shoulder-bag silhouette is not enough to match a Coach model, and no catalog-specific Coach construction or identifier is visible.",
                    "The seller's Y2K wording is unverified listing text and does not establish age; the glossy embossed finish and hardware suggest a modern 2000s-or-later generic bag.",
                    "Condition: approximately Very Good from the visible exterior; the bag appears intact with no obvious major tears, but the interior, corners, odor, and strap wear are incompletely documented."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1, photo 2: no Coach identifier visible yet construction is inconsistent with vintage Coach classics"
                ],
                "authenticity_confidence": 0.04,
                "coach_probability": 0.03,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 6 is blurry and dark: clear straight-on interior and lining photos emptied",
                    "creed patch \/ interior back wall and pocket close-up in raking light",
                    "close-up of flap lock front and back plate and strap hardware stamps",
                    "front, bottom with corners, and strap full-length views",
                    "any hangtag, wordmark, or Made-in stamp"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: glossy black croc-embossed finish unlike matte glove-tanned cowhide",
                    "photo 1, photo 2, photo 3: small square bright gold-tone flap lock, not Coach wide oval turnlock geometry",
                    "photo 1, photo 5: bright plated gold-tone strap rings, not aged solid brass",
                    "photo 6: blurry interior appears fabric-lined, not unlined suede-back glove-tanned",
                    "all photos: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone square flap push\/twist lock and square strap rings; shiny plated appearance, not dull solid brass vintage hardware",
                    "leather_description": "black high-gloss croc-embossed leather in photos 1-5, not matte smooth glove-tanned",
                    "lining_description": "not_visible - photo 6 interior is blurry and dark, appears dark fabric but not legible; not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - stitching not legible due to embossed texture and lighting",
                    "strap_construction": "single narrow matching croc-embossed shoulder strap attached via gold-tone square rings in photos 1 and 5",
                    "turnlock_present": true
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette is a croc-embossed flap shoulder bag with square lock, not a catalog City Bag, Willis, Court, Station, Dinky or other classic; no creed, serial, wordmark or brass turnlock to decode",
                    "Era reasoning: glossy embossed finish, plated square hardware and seller Y2K styling point to modern (2000s+) non-Coach",
                    "Condition: Good to Very Good exterior for a generic bag; front and back show glossy surface without obvious corner wear in photos 1-2 and 5, but bottom, interior and strap wear unknown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.15
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28490,
            "output_tokens": 842,
            "total_tokens": 29332,
            "estimated_cost_usd": 0.013417
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 29819,
            "output_tokens": 1702,
            "total_tokens": 31521,
            "estimated_cost_usd": 0.007325
        }
    ]
}