Vintage Coach Hunter

{
    "is_handbag_probability": 0.84,
    "coach_probability": 0.015,
    "vintage_probability": 0.04,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.805,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.9,
    "recommended_max_bid": 8,
    "estimated_resale_low": 6.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a structured shoulder handbag with a long strap and flap closure.",
        "photo 3: gold-tone snap-style closure and riveted side construction are visible."
    ],
    "negative_evidence": [
        "photo 1: exterior is glossy, heavily printed material with ballet-shoe, bows, stars, and hearts; this is not Coach signature canvas or a vintage glove-tanned leather construction.",
        "photo 2: interior appears glossy black synthetic\/plastic material rather than suede-backed or fabric-lined Coach construction.",
        "photo 3: hardware and boxy construction do not match recognizable vintage Coach turnlock silhouettes.",
        "photos 1-7: no legible COACH wordmark, horse-and-carriage, leather hangtag, creed patch, or serial\/style identifier is visible.",
        "photo 5: plain exterior panel and glossy synthetic finish provide no Coach-specific branding.",
        "photo 1: black rigid box with all-over pink\/blue ballet-slipper, heart and wand print - never a Coach material or motif",
        "photo 2,3,4,5: body, lining and strap are glossy black plastic\/vinyl, not glove-tanned leather",
        "photo 2,5: plain gold-tone snap closure, not Coach turnlock geometry",
        "photo 1-6: no creed patch, no COACH wordmark, no hangtag visible",
        "photo 3,6: thin vinyl strap attached with brass-tone rivets, not leather buckle-adjust or dogleash construction"
    ],
    "missing_information": [
        "Straight-on interior wall and all pockets, especially any possible sewn-in label or creed patch.",
        "Close-up of every hardware piece and the reverse of the closure.",
        "Bottom, strap attachment, and any interior or exterior maker tags.",
        "Seller-stated dimensions and material composition.",
        "no brand label or markings shown in close-up - request photo of any interior label if present",
        "seller-stated dimensions not provided"
    ],
    "authenticity_concerns": [
        "The glossy synthetic construction, printed novelty pattern, and generic snap hardware are inconsistent with the vintage Coach leather handbag population.",
        "No Coach identifier is visible anywhere in the provided photos; the seller's unbranded listing and 1980s description are not corroborated by the construction.",
        "photo 1-6: glossy plastic\/vinyl box construction with novelty ballet-slipper print is inconsistent with any Coach leather or canvas line",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag observed"
    ],
    "possible_model_reasoning": [
        "The rectangular flap shoulder-bag shape is a generic novelty or doll-case style, not a recognizable Coach catalog model.",
        "The seller's claimed 1980s era is unsupported; the glossy printed synthetic material and novelty ballet pattern point to a modern non-Coach item.",
        "Condition: Good; visible scuffs, scratches, edge wear, and surface marks appear in photos 1, 5, 6, and 7, while the structure and hardware remain present.",
        "Not a Coach silhouette, material, hardware or construction; no identifier to decode",
        "Novelty plastic doll-case \/ box purse with ballet print matches 1980s-1990s toy\/novelty production, not any catalog Coach style in section 4",
        "Condition: Good to Very Good for novelty plastic; surface scuffs and edge wear visible photo 6, interior dusty photo 2, but no tears shown"
    ],
    "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": "Gold-tone snap\/box closure, round rivets, and a long narrow shoulder strap are visible; no Coach engraving is visible.",
        "leather_description": "Glossy black synthetic-looking material with a printed ballet-themed front panel; it does not visibly resemble glove-tanned leather.",
        "lining_description": "Glossy black synthetic lining\/interior is visible in photos 2, 4, and 5; no label or creed is visible.",
        "strap_construction": "Long narrow black shoulder strap attached at the sides with visible riveted hardware; material appears synthetic.",
        "stitching_description": "Perimeter seams and folded\/finished edges are visible; construction appears machine-made and synthetic, with no distinctive Coach stitching evidence."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0033,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a structured shoulder handbag with a long strap and flap closure.",
                    "photo 3: gold-tone snap-style closure and riveted side construction are visible."
                ],
                "negative_evidence": [
                    "photo 1: exterior is glossy, heavily printed material with ballet-shoe, bows, stars, and hearts; this is not Coach signature canvas or a vintage glove-tanned leather construction.",
                    "photo 2: interior appears glossy black synthetic\/plastic material rather than suede-backed or fabric-lined Coach construction.",
                    "photo 3: hardware and boxy construction do not match recognizable vintage Coach turnlock silhouettes.",
                    "photos 1-7: no legible COACH wordmark, horse-and-carriage, leather hangtag, creed patch, or serial\/style identifier is visible.",
                    "photo 5: plain exterior panel and glossy synthetic finish provide no Coach-specific branding."
                ],
                "missing_information": [
                    "Straight-on interior wall and all pockets, especially any possible sewn-in label or creed patch.",
                    "Close-up of every hardware piece and the reverse of the closure.",
                    "Bottom, strap attachment, and any interior or exterior maker tags.",
                    "Seller-stated dimensions and material composition."
                ],
                "authenticity_concerns": [
                    "The glossy synthetic construction, printed novelty pattern, and generic snap hardware are inconsistent with the vintage Coach leather handbag population.",
                    "No Coach identifier is visible anywhere in the provided photos; the seller's unbranded listing and 1980s description are not corroborated by the construction."
                ],
                "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": "Gold-tone snap\/box closure, round rivets, and a long narrow shoulder strap are visible; no Coach engraving is visible.",
                    "leather_description": "Glossy black synthetic-looking material with a printed ballet-themed front panel; it does not visibly resemble glove-tanned leather.",
                    "lining_description": "Glossy black synthetic lining\/interior is visible in photos 2, 4, and 5; no label or creed is visible.",
                    "strap_construction": "Long narrow black shoulder strap attached at the sides with visible riveted hardware; material appears synthetic.",
                    "stitching_description": "Perimeter seams and folded\/finished edges are visible; construction appears machine-made and synthetic, with no distinctive Coach stitching evidence."
                },
                "possible_model_reasoning": [
                    "The rectangular flap shoulder-bag shape is a generic novelty or doll-case style, not a recognizable Coach catalog model.",
                    "The seller's claimed 1980s era is unsupported; the glossy printed synthetic material and novelty ballet pattern point to a modern non-Coach item.",
                    "Condition: Good; visible scuffs, scratches, edge wear, and surface marks appear in photos 1, 5, 6, and 7, while the structure and hardware remain present."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 8,
                "estimated_resale_low": 8,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-6: glossy plastic\/vinyl box construction with novelty ballet-slipper print is inconsistent with any Coach leather or canvas line",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag observed"
                ],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.01,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.7,
                "missing_information": [
                    "no brand label or markings shown in close-up - request photo of any interior label if present",
                    "seller-stated dimensions not provided"
                ],
                "negative_evidence": [
                    "photo 1: black rigid box with all-over pink\/blue ballet-slipper, heart and wand print - never a Coach material or motif",
                    "photo 2,3,4,5: body, lining and strap are glossy black plastic\/vinyl, not glove-tanned leather",
                    "photo 2,5: plain gold-tone snap closure, not Coach turnlock geometry",
                    "photo 1-6: no creed patch, no COACH wordmark, no hangtag visible",
                    "photo 3,6: thin vinyl strap attached with brass-tone rivets, not leather buckle-adjust or dogleash construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone snap \/ twist-type snap closure and small brass-tone rivets at sides and bottom; no turnlock, no engraved branding visible",
                    "leather_description": "no leather - glossy black rigid plastic\/vinyl with printed novelty ballet-slipper pattern on front panel",
                    "lining_description": "black vinyl\/plastic interior, same shiny material as exterior, no fabric lining, no pockets or creed patch visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - edges appear heat-sealed \/ riveted, no leather stitching observed",
                    "strap_construction": "thin black vinyl\/plastic shoulder strap, riveted to sides, no buckle adjustment or brass clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a Coach silhouette, material, hardware or construction; no identifier to decode",
                    "Novelty plastic doll-case \/ box purse with ballet print matches 1980s-1990s toy\/novelty production, not any catalog Coach style in section 4",
                    "Condition: Good to Very Good for novelty plastic; surface scuffs and edge wear visible photo 6, interior dusty photo 2, but no tears shown"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28777,
            "output_tokens": 783,
            "total_tokens": 29560,
            "estimated_cost_usd": 0.01339
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30090,
            "output_tokens": 1616,
            "total_tokens": 31706,
            "estimated_cost_usd": 0.007311
        }
    ]
}