Vintage Coach Hunter

{
    "is_handbag_probability": 0.955,
    "coach_probability": 0.01,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.01,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.945,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 20,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: compact backpack\/purse has a printed Sailor Moon Luna cat design and no visible Coach branding.",
        "photo 1: glossy crosshatched synthetic-looking exterior and silver-tone hardware are inconsistent with classic vintage Coach glove-tanned leather and brass hardware.",
        "photo 2: bright pink fabric lining and multiple zip compartments are not characteristic of the classic unlined vintage Coach styles.",
        "photo 3: attached backpack straps and anime graphics indicate a character accessory rather than a vintage Coach handbag.",
        "photo 1: crosshatch saffiano-pattern synthetic material, not glove-tanned leather",
        "photo 1: silver-tone hardware, not vintage solid brass",
        "photo 2: pink shiny polyester lining, not unlined suede",
        "photo 3: printed anime cat-face graphic, not a Coach silhouette or material",
        "photo 1-3: no creed patch, no COACH wordmark, no hangtag, no turnlock visible"
    ],
    "missing_information": [
        "photo 2: no interior brand label, care tag, or creed patch is visible; a close-up of all interior labels would be needed for any further brand assessment.",
        "photo 1: zipper pulls and hardware stamps are not shown close enough to inspect for maker marks.",
        "photo 3: bottom, side, and strap attachment details are not fully documented."
    ],
    "authenticity_concerns": [
        "photo 1: synthetic-looking material, decorative character print, and silver-tone hardware strongly indicate a non-Coach character bag rather than a misidentified vintage Coach piece.",
        "photo 2: fabric-lined compartment construction is inconsistent with the unlined glove-tanned construction expected for most classic vintage Coach silhouettes."
    ],
    "possible_model_reasoning": [
        "photo 3: silhouette is a small character backpack\/purse, not a recognizable Coach model; no Coach model is appropriate.",
        "photo 1: graphic-free rear view and hardware do not show the brass turnlock, leather hangtag, creed, or other identifiers expected to support a vintage Coach attribution.",
        "photo 2: fabric-lined multi-compartment construction supports a modern character accessory classification.",
        "Condition: Good to Very Good from the visible exterior; minor creasing and surface wear are visible, but the bottom, corners, and interior condition are incompletely documented.",
        "Small novelty cat-face zip purse\/backpack shape does not match any vintage Coach catalog style",
        "Materials (faux saffiano, silver hardware, pink poly lining) are inconsistent with all vintage Coach eras",
        "No Coach identifier visible in any photo; seller correctly lists as Unbranded",
        "Condition: Good to Very Good; light surface wear only, interior appears clean (photo 2)"
    ],
    "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: silver-tone zipper hardware, D-rings, and a rectangular buckle; no visible Coach engraving. photo 2: zipper pulls are visible but not maker-marked.",
        "leather_description": "photo 1: black glossy crosshatched material appears synthetic or coated rather than visible full-grain glove-tanned leather.",
        "lining_description": "photo 2: bright pink fabric lining with multiple compartments; no brand label or creed visible.",
        "strap_construction": "photo 3: two adjustable narrow black backpack straps with silver-tone buckles and clips; detachable or adjustable strap arrangement visible.",
        "stitching_description": "photo 1: perimeter stitching and zipper construction appear generally even; detailed stress-point stitching is not fully visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0024,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.96,
                "coach_probability": 0.01,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: compact backpack\/purse has a printed Sailor Moon Luna cat design and no visible Coach branding.",
                    "photo 1: glossy crosshatched synthetic-looking exterior and silver-tone hardware are inconsistent with classic vintage Coach glove-tanned leather and brass hardware.",
                    "photo 2: bright pink fabric lining and multiple zip compartments are not characteristic of the classic unlined vintage Coach styles.",
                    "photo 3: attached backpack straps and anime graphics indicate a character accessory rather than a vintage Coach handbag."
                ],
                "missing_information": [
                    "photo 2: no interior brand label, care tag, or creed patch is visible; a close-up of all interior labels would be needed for any further brand assessment.",
                    "photo 1: zipper pulls and hardware stamps are not shown close enough to inspect for maker marks.",
                    "photo 3: bottom, side, and strap attachment details are not fully documented."
                ],
                "authenticity_concerns": [
                    "photo 1: synthetic-looking material, decorative character print, and silver-tone hardware strongly indicate a non-Coach character bag rather than a misidentified vintage Coach piece.",
                    "photo 2: fabric-lined compartment construction is inconsistent with the unlined glove-tanned construction expected for most classic vintage Coach silhouettes."
                ],
                "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: silver-tone zipper hardware, D-rings, and a rectangular buckle; no visible Coach engraving. photo 2: zipper pulls are visible but not maker-marked.",
                    "leather_description": "photo 1: black glossy crosshatched material appears synthetic or coated rather than visible full-grain glove-tanned leather.",
                    "lining_description": "photo 2: bright pink fabric lining with multiple compartments; no brand label or creed visible.",
                    "strap_construction": "photo 3: two adjustable narrow black backpack straps with silver-tone buckles and clips; detachable or adjustable strap arrangement visible.",
                    "stitching_description": "photo 1: perimeter stitching and zipper construction appear generally even; detailed stress-point stitching is not fully visible."
                },
                "possible_model_reasoning": [
                    "photo 3: silhouette is a small character backpack\/purse, not a recognizable Coach model; no Coach model is appropriate.",
                    "photo 1: graphic-free rear view and hardware do not show the brass turnlock, leather hangtag, creed, or other identifiers expected to support a vintage Coach attribution.",
                    "photo 2: fabric-lined multi-compartment construction supports a modern character accessory classification.",
                    "Condition: Good to Very Good from the visible exterior; minor creasing and surface wear are visible, but the bottom, corners, and interior condition are incompletely documented."
                ],
                "confidence": 0.94,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "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": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.95,
                "missing_information": [],
                "negative_evidence": [
                    "photo 1: crosshatch saffiano-pattern synthetic material, not glove-tanned leather",
                    "photo 1: silver-tone hardware, not vintage solid brass",
                    "photo 2: pink shiny polyester lining, not unlined suede",
                    "photo 3: printed anime cat-face graphic, not a Coach silhouette or material",
                    "photo 1-3: no creed patch, no COACH wordmark, no hangtag, no turnlock visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone base-metal zipper and D-rings, modern plated finish",
                    "leather_description": "black crosshatch-embossed synthetic faux leather, not glove-tanned cowhide",
                    "lining_description": "pink synthetic polyester lining with slip pocket",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even machine stitching around edges, thread matched to black synthetic",
                    "strap_construction": "thin detachable black synthetic crossbody strap with silver-tone clips and buckle",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Small novelty cat-face zip purse\/backpack shape does not match any vintage Coach catalog style",
                    "Materials (faux saffiano, silver hardware, pink poly lining) are inconsistent with all vintage Coach eras",
                    "No Coach identifier visible in any photo; seller correctly lists as Unbranded",
                    "Condition: Good to Very Good; light surface wear only, interior appears clean (photo 2)"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.01
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16404,
            "output_tokens": 820,
            "total_tokens": 17224,
            "estimated_cost_usd": 0.00853
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16712,
            "output_tokens": 785,
            "total_tokens": 17497,
            "estimated_cost_usd": 0.00397
        }
    ]
}