Vintage Coach Hunter

{
    "is_handbag_probability": 0.02,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.88,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.92,
    "recommended_max_bid": 5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 13.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: item is a detachable adjustable webbing purse strap, not a handbag.",
        "photo 1: strap has a black, white, and gray animal-print woven webbing pattern rather than visible Coach leather construction or Coach signature canvas.",
        "photo 1: visible lobster clasps, rectangular adjuster, and other hardware show no legible COACH wordmark or horse-and-carriage mark.",
        "photo 2: reverse-side construction is woven webbing with no visible creed patch, serial tag, or brand label.",
        "photo 3: tape measure confirms a narrow accessory strap rather than a complete handbag.",
        "photo 4: no Coach identifier is visible.",
        "photo 1-4: object is a detachable purse strap only, not a handbag",
        "photo 1-4: woven webbing textile with gray\/black\/white leopard print, not glove-tanned leather",
        "photo 1-2: polished silver-tone lobster clasps and slider, not vintage solid brass Coach hardware",
        "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 1: no complete handbag is included in the listing.",
        "A close-up of any attached brand or care label would be needed to assess a manufacturer, but none is visible in the provided photos.",
        "No handbag is present in any photo to assess for Coach manufacture",
        "No creed patch, wordmark, hangtag, or leather bag body to examine"
    ],
    "authenticity_concerns": [
        "photo 1-4: object is a standalone replacement strap, not a Coach handbag, with no creed, wordmark, or Coach hardware identifiers"
    ],
    "possible_model_reasoning": [
        "The photographed item is an unbranded replacement guitar-style purse strap, so no Coach handbag model applies.",
        "photo 3: strap length is shown with a tape measure and is consistent with the seller-stated adjustable accessory measurements.",
        "Condition: Very Good; webbing and hardware appear intact in the photos, though full wear and function cannot be verified.",
        "Not a handbag so no Coach model match possible; construction as modern woven replacement strap is inconsistent with vintage Coach glove-tanned leather and solid brass",
        "No identifiers to decode and no silhouette to match; Condition: N\/A - accessory only, appears new\/unused in photos"
    ],
    "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: rectangular metal adjuster and two lobster-claw clasps; finish appears silver or light warm metallic under the lighting; no brand engraving is visible.",
        "leather_description": "not_visible; strap is woven synthetic-looking webbing.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-4: approximately 2-inch-wide adjustable woven webbing with folded attachment sections, rectangular adjuster, and detachable lobster-claw clasps.",
        "stitching_description": "photos 1-2: woven strap edges and folded attachment areas are visible; no handbag stitching is present."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0002,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.02,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: item is a detachable adjustable webbing purse strap, not a handbag.",
                    "photo 1: strap has a black, white, and gray animal-print woven webbing pattern rather than visible Coach leather construction or Coach signature canvas.",
                    "photo 1: visible lobster clasps, rectangular adjuster, and other hardware show no legible COACH wordmark or horse-and-carriage mark.",
                    "photo 2: reverse-side construction is woven webbing with no visible creed patch, serial tag, or brand label.",
                    "photo 3: tape measure confirms a narrow accessory strap rather than a complete handbag.",
                    "photo 4: no Coach identifier is visible."
                ],
                "missing_information": [
                    "photo 1: no complete handbag is included in the listing.",
                    "A close-up of any attached brand or care label would be needed to assess a manufacturer, but none is visible in the provided photos."
                ],
                "authenticity_concerns": [],
                "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: rectangular metal adjuster and two lobster-claw clasps; finish appears silver or light warm metallic under the lighting; no brand engraving is visible.",
                    "leather_description": "not_visible; strap is woven synthetic-looking webbing.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1-4: approximately 2-inch-wide adjustable woven webbing with folded attachment sections, rectangular adjuster, and detachable lobster-claw clasps.",
                    "stitching_description": "photos 1-2: woven strap edges and folded attachment areas are visible; no handbag stitching is present."
                },
                "possible_model_reasoning": [
                    "The photographed item is an unbranded replacement guitar-style purse strap, so no Coach handbag model applies.",
                    "photo 3: strap length is shown with a tape measure and is consistent with the seller-stated adjustable accessory measurements.",
                    "Condition: Very Good; webbing and hardware appear intact in the photos, though full wear and function cannot be verified."
                ],
                "confidence": 0.94,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 15
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-4: object is a standalone replacement strap, not a Coach handbag, with no creed, wordmark, or Coach hardware identifiers"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 12,
                "estimated_resale_low": 5,
                "image_quality_score": 0.85,
                "is_handbag_probability": 0.02,
                "missing_information": [
                    "No handbag is present in any photo to assess for Coach manufacture",
                    "No creed patch, wordmark, hangtag, or leather bag body to examine"
                ],
                "negative_evidence": [
                    "photo 1-4: object is a detachable purse strap only, not a handbag",
                    "photo 1-4: woven webbing textile with gray\/black\/white leopard print, not glove-tanned leather",
                    "photo 1-2: polished silver-tone lobster clasps and slider, not vintage solid brass Coach hardware",
                    "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 1-4: polished silver-tone lobster claw clasps and rectangular slider\/adjuster, modern plated appearance",
                    "leather_description": "photo 1-4: no leather visible; durable woven webbing textile in gray leopard print",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 2: straight machine stitching securing webbing ends at hardware; no leather edge work visible",
                    "strap_construction": "photo 1-4: 2-inch wide woven guitar-style adjustable webbing strap, max ~49 inches, with slider and lobster clasps at both ends",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a handbag so no Coach model match possible; construction as modern woven replacement strap is inconsistent with vintage Coach glove-tanned leather and solid brass",
                    "No identifiers to decode and no silhouette to match; Condition: N\/A - accessory only, appears new\/unused in photos"
                ],
                "possible_models": [],
                "recommended_max_bid": 5,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16964,
            "output_tokens": 641,
            "total_tokens": 17605,
            "estimated_cost_usd": 0.008324
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17287,
            "output_tokens": 1237,
            "total_tokens": 18524,
            "estimated_cost_usd": 0.004447
        }
    ]
}