Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.035,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.76,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.855,
    "recommended_max_bid": 8,
    "estimated_resale_low": 6.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Structured red handbag with double handles and a top zipper is visible, but no Coach-specific branding or construction cue is present.",
        "photo 4: Interior is fabric-lined with a generic zip pocket, unlike the unlined glove-tanned interiors of many classic vintage Coach styles.",
        "photo 3: Bottom hardware appears silver-tone and plated; no Coach-marked hardware is visible.",
        "photo 1: The smooth, heavily finished red exterior and generic construction are more consistent with a modern unbranded handbag than vintage Coach.",
        "photo 1, photo 2: no turnlock, no flap, no Coach silhouette - small zip-top double-handle satchel with teardrop handle attachments, not a catalog classic shape",
        "photo 4: fully lined interior with red woven fabric lining, not unlined suede-back glove-tanned leather of vintage Coach classics",
        "photo 3: four silver-tone dome base feet with bright plated finish, not solid brass vintage hardware",
        "photo 1, photo 2, photo 3: smooth uniform coated leather with sheen, thin structure, not full-grain glove-tanned cowhide with natural grain\/patina",
        "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible anywhere"
    ],
    "missing_information": [
        "photo 4: Interior label, creed patch, and any fabric brand tag are not visible.",
        "A close-up of the zipper pull and all hardware would help identify any brand markings.",
        "Photos of the back, sides, handle attachments, and strap details are needed for a complete construction assessment.",
        "No Coach identifiers visible to verify further; no creed patch seen in interior view (photo 4) - close-up of any interior leather patch or fabric content tag would confirm",
        "Hardware brand stamps \/ zipper pull branding not shown",
        "Exterior side \/ back views not shown, but not needed for Coach determination"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible in the provided photos; the bag appears to be an unbranded lookalike rather than a Coach product.",
        "Fabric lining, silver-tone hardware, and top-zip structured construction do not strongly align with the classic vintage Coach examples sought here."
    ],
    "possible_model_reasoning": [
        "The silhouette is a generic small structured top-zip tote\/shoulder bag and does not closely establish a listed Coach model.",
        "The visible fabric lining and silver-tone hardware lean modern and non-Coach; no Coach creed, wordmark, hangtag, or serial is shown.",
        "Condition: Very Good based on clean visible exterior and intact handles; interior, odor, and underside wear are incompletely documented.",
        "No Coach model match: zip-top double-handle mini satchel ~9 in wide per ruler (photo 1) with fabric lining and silver feet does not match City Bag, Willis, Court, Station, Dinky or other classics in closure, strap or construction",
        "Era reasoning: materials (coated thin leather \/ faux, fabric lining, silver-tone plated feet) and Y2K mini-shoulder silhouette point to modern (2000s+) fast-fashion, non-Coach",
        "Condition: Very Good to Excellent exterior - clean red surface, no corner wear shown, bottom clean (photo 3); interior appears clean (photo 4)"
    ],
    "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 and photo 3: Silver-tone spherical feet and small side hardware are visible; no branding is legible.",
        "leather_description": "photo 1: Smooth, glossy red material with uniform finish; natural leather type cannot be confirmed and it may be synthetic or coated.",
        "lining_description": "photo 4: Red\/burgundy fabric lining with a zippered interior pocket is visible.",
        "strap_construction": "photo 1 and photo 2: Two long fixed double handles attached with stitched leather-like tabs; a small side strap or zipper pull is visible.",
        "stitching_description": "photo 1 and photo 3: Machine stitching appears generally even, with finished and painted-looking edges visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0006,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Structured red handbag with double handles and a top zipper is visible, but no Coach-specific branding or construction cue is present.",
                    "photo 4: Interior is fabric-lined with a generic zip pocket, unlike the unlined glove-tanned interiors of many classic vintage Coach styles.",
                    "photo 3: Bottom hardware appears silver-tone and plated; no Coach-marked hardware is visible.",
                    "photo 1: The smooth, heavily finished red exterior and generic construction are more consistent with a modern unbranded handbag than vintage Coach."
                ],
                "missing_information": [
                    "photo 4: Interior label, creed patch, and any fabric brand tag are not visible.",
                    "A close-up of the zipper pull and all hardware would help identify any brand markings.",
                    "Photos of the back, sides, handle attachments, and strap details are needed for a complete construction assessment."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible in the provided photos; the bag appears to be an unbranded lookalike rather than a Coach product.",
                    "Fabric lining, silver-tone hardware, and top-zip structured construction do not strongly align with the classic vintage Coach examples sought here."
                ],
                "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 and photo 3: Silver-tone spherical feet and small side hardware are visible; no branding is legible.",
                    "leather_description": "photo 1: Smooth, glossy red material with uniform finish; natural leather type cannot be confirmed and it may be synthetic or coated.",
                    "lining_description": "photo 4: Red\/burgundy fabric lining with a zippered interior pocket is visible.",
                    "strap_construction": "photo 1 and photo 2: Two long fixed double handles attached with stitched leather-like tabs; a small side strap or zipper pull is visible.",
                    "stitching_description": "photo 1 and photo 3: Machine stitching appears generally even, with finished and painted-looking edges visible."
                },
                "possible_model_reasoning": [
                    "The silhouette is a generic small structured top-zip tote\/shoulder bag and does not closely establish a listed Coach model.",
                    "The visible fabric lining and silver-tone hardware lean modern and non-Coach; no Coach creed, wordmark, hangtag, or serial is shown.",
                    "Condition: Very Good based on clean visible exterior and intact handles; interior, odor, and underside wear are incompletely documented."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 8,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach identifiers visible to verify further; no creed patch seen in interior view (photo 4) - close-up of any interior leather patch or fabric content tag would confirm",
                    "Hardware brand stamps \/ zipper pull branding not shown",
                    "Exterior side \/ back views not shown, but not needed for Coach determination"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: no turnlock, no flap, no Coach silhouette - small zip-top double-handle satchel with teardrop handle attachments, not a catalog classic shape",
                    "photo 4: fully lined interior with red woven fabric lining, not unlined suede-back glove-tanned leather of vintage Coach classics",
                    "photo 3: four silver-tone dome base feet with bright plated finish, not solid brass vintage hardware",
                    "photo 1, photo 2, photo 3: smooth uniform coated leather with sheen, thin structure, not full-grain glove-tanned cowhide with natural grain\/patina",
                    "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible anywhere"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone dome base feet on bottom (photo 3); red zipper with red tape (photo 1, photo 2, photo 4); no brass, no turnlock, no branded pulls visible",
                    "leather_description": "bright red smooth material with uniform coated sheen and light grain emboss, looks like coated split leather or faux leather, not matte glove-tanned full-grain; thin and structured",
                    "lining_description": "red woven fabric lining throughout interior (photo 4), with interior slip pocket; not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even machine stitching in matching red thread around top edge, bottom perimeter and handle tabs (photo 1, photo 3); no heavy contrast or hand-finished detail visible",
                    "strap_construction": "two fixed short double top handles, sewn directly to body with teardrop-shaped tabs (photo 1, photo 2); non-adjustable, non-detachable, no buckles or dogleash clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model match: zip-top double-handle mini satchel ~9 in wide per ruler (photo 1) with fabric lining and silver feet does not match City Bag, Willis, Court, Station, Dinky or other classics in closure, strap or construction",
                    "Era reasoning: materials (coated thin leather \/ faux, fabric lining, silver-tone plated feet) and Y2K mini-shoulder silhouette point to modern (2000s+) fast-fashion, non-Coach",
                    "Condition: Very Good to Excellent exterior - clean red surface, no corner wear shown, bottom clean (photo 3); interior appears clean (photo 4)"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 24217,
            "output_tokens": 709,
            "total_tokens": 24926,
            "estimated_cost_usd": 0.011388
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 25186,
            "output_tokens": 1312,
            "total_tokens": 26498,
            "estimated_cost_usd": 0.006087
        }
    ]
}