Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.045,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.04,
    "image_quality_score": 0.565,
    "seller_misidentification_probability": 0.045,
    "confidence": 0.71,
    "recommended_max_bid": 9,
    "estimated_resale_low": 6.5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Small flap shoulder-bag silhouette and gold-tone closure are broadly compatible with many handbag designs, but not specifically Coach.",
        "photo 1, photo 2: black small flap shoulder bag with center turn-tab closure",
        "photo 3: side gusset construction with stitched strap anchor",
        "photo 5: bottom view shows structured small rectangular silhouette"
    ],
    "negative_evidence": [
        "photo 1: The visible exterior appears smooth and coated or synthetic rather than characteristic glove-tanned leather.",
        "photo 1: The oversized shiny rectangular clasp does not resemble the refined classic Coach turnlock geometry.",
        "photo 3: Hardware appears plated and decorative, with no visible Coach engraving or other brand identifier.",
        "photo 1: No Coach wordmark, horse-and-carriage, hangtag, creed patch, or serial\/style number is visible.",
        "photo 4: Exterior stitching and edge construction look generic; no Coach-specific construction cue is visible.",
        "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage visible",
        "photo 1, photo 2, photo 5: bright gold-tone plated hardware with blue protective film still attached - not solid vintage brass with warm patina",
        "photo 1-4: smooth uniform coated surface with flash glare, thin finished edges - not matte glove-tanned full-grain with suede back",
        "photo 2, photo 4: new-appearing bag with strap in white foam wrap displayed on gift box - new-in-box Unbranded presentation",
        "photo 3: side O-ring strap attachment, not brass dogleash\/lobster clips or bead-chain hangtag typical of vintage Coach classics",
        "photos 1-5: no interior, no bottom-corner wear, no lining shown to assess construction"
    ],
    "missing_information": [
        "Interior view, including any creed patch, brand label, or fabric tag.",
        "Straight-on close-up of the clasp and all hardware.",
        "Close-up of the strap, attachment points, and underside material.",
        "Bottom, corner, and back views in clearer lighting.",
        "Seller-stated dimensions and material composition.",
        "interior views emptied showing lining and any creed patch or fabric tags - not shown in any photo",
        "creed patch straight-on in raking light - not shown",
        "turnlock front and back plate close-up and any hardware engravings - not shown",
        "hangtag both faces if present - not shown",
        "strap full length, buckle holes, clip ends unwrapped - strap remains in foam wrap",
        "seller-stated dimensions and materials"
    ],
    "authenticity_concerns": [
        "The generic silhouette, likely synthetic\/coated material, and oversized decorative clasp are consistent with an unbranded Coach-style lookalike rather than a Coach-made vintage bag.",
        "No Coach identifier is visible in the provided photos.",
        "photo 1, photo 2, photo 5: blue protective film still on turnlock on a new-appearing bag listed as Unbranded - new-in-box plus unbranded pattern is replica\/fast-fashion signal",
        "photo 1-5: no Coach identifier visible anywhere - no creed, no wordmark, no horse-and-carriage, no stamped hardware to verify against"
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match from the exterior alone. The flap shape and central clasp are generic and do not establish a City Bag, Dinky, Court, or other Coach style.",
        "Condition cannot be fully graded because the interior is not shown; visible exterior has edge wear or uneven finishing around portions of the perimeter, so it is no better than Very Good provisionally.",
        "No Coach model fits: no creed, no wordmark, no hangtag, no solid-brass vintage hardware, no unlined glove-tanned leather, and new-in-wrap presentation inconsistent with vintage Coach classics",
        "Silhouette is generic modern small flap saddle\/shoulder bag, widely copied; silhouette alone never conclusive for Coach",
        "Condition: appears New\/NWOT - unworn look, foam-wrapped strap, protective film on lock (photo 1-5); interior not shown so grade capped and lining unknown"
    ],
    "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 central rectangular clasp and gold-tone side hardware are visible; the clasp appears decorative rather than a classic Coach turnlock. Strap is partly wrapped in white protective material.",
        "leather_description": "Appears smooth, uniform black coated or synthetic material; natural leather grain is not visible.",
        "lining_description": "not_visible",
        "strap_construction": "A single broad shoulder strap is visible, with gold-tone side attachment hardware; much of the strap is covered by white material.",
        "stitching_description": "Visible perimeter stitching is fairly regular but appears generic; no distinctive Coach construction can be confirmed."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0019,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.68,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Small flap shoulder-bag silhouette and gold-tone closure are broadly compatible with many handbag designs, but not specifically Coach."
                ],
                "negative_evidence": [
                    "photo 1: The visible exterior appears smooth and coated or synthetic rather than characteristic glove-tanned leather.",
                    "photo 1: The oversized shiny rectangular clasp does not resemble the refined classic Coach turnlock geometry.",
                    "photo 3: Hardware appears plated and decorative, with no visible Coach engraving or other brand identifier.",
                    "photo 1: No Coach wordmark, horse-and-carriage, hangtag, creed patch, or serial\/style number is visible.",
                    "photo 4: Exterior stitching and edge construction look generic; no Coach-specific construction cue is visible."
                ],
                "missing_information": [
                    "Interior view, including any creed patch, brand label, or fabric tag.",
                    "Straight-on close-up of the clasp and all hardware.",
                    "Close-up of the strap, attachment points, and underside material.",
                    "Bottom, corner, and back views in clearer lighting.",
                    "Seller-stated dimensions and material composition."
                ],
                "authenticity_concerns": [
                    "The generic silhouette, likely synthetic\/coated material, and oversized decorative clasp are consistent with an unbranded Coach-style lookalike rather than a Coach-made vintage bag.",
                    "No Coach identifier is visible in the provided photos."
                ],
                "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 central rectangular clasp and gold-tone side hardware are visible; the clasp appears decorative rather than a classic Coach turnlock. Strap is partly wrapped in white protective material.",
                    "leather_description": "Appears smooth, uniform black coated or synthetic material; natural leather grain is not visible.",
                    "lining_description": "not_visible",
                    "strap_construction": "A single broad shoulder strap is visible, with gold-tone side attachment hardware; much of the strap is covered by white material.",
                    "stitching_description": "Visible perimeter stitching is fairly regular but appears generic; no distinctive Coach construction can be confirmed."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match from the exterior alone. The flap shape and central clasp are generic and do not establish a City Bag, Dinky, Court, or other Coach style.",
                    "Condition cannot be fully graded because the interior is not shown; visible exterior has edge wear or uneven finishing around portions of the perimeter, so it is no better than Very Good provisionally."
                ],
                "confidence": 0.72,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1, photo 2, photo 5: blue protective film still on turnlock on a new-appearing bag listed as Unbranded - new-in-box plus unbranded pattern is replica\/fast-fashion signal",
                    "photo 1-5: no Coach identifier visible anywhere - no creed, no wordmark, no horse-and-carriage, no stamped hardware to verify against"
                ],
                "authenticity_confidence": 0.05,
                "coach_probability": 0.05,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 8,
                "image_quality_score": 0.45,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior views emptied showing lining and any creed patch or fabric tags - not shown in any photo",
                    "creed patch straight-on in raking light - not shown",
                    "turnlock front and back plate close-up and any hardware engravings - not shown",
                    "hangtag both faces if present - not shown",
                    "strap full length, buckle holes, clip ends unwrapped - strap remains in foam wrap",
                    "seller-stated dimensions and materials"
                ],
                "negative_evidence": [
                    "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage visible",
                    "photo 1, photo 2, photo 5: bright gold-tone plated hardware with blue protective film still attached - not solid vintage brass with warm patina",
                    "photo 1-4: smooth uniform coated surface with flash glare, thin finished edges - not matte glove-tanned full-grain with suede back",
                    "photo 2, photo 4: new-appearing bag with strap in white foam wrap displayed on gift box - new-in-box Unbranded presentation",
                    "photo 3: side O-ring strap attachment, not brass dogleash\/lobster clips or bead-chain hangtag typical of vintage Coach classics",
                    "photos 1-5: no interior, no bottom-corner wear, no lining shown to assess construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated hardware; small T-tab turnlock at flap bottom with blue protective film still on (photo 1, photo 2, photo 5); round O-rings at sides for strap (photo 3, photo 4); no engraving legible",
                    "leather_description": "black smooth uniform material with sheen\/flash glare, even coated appearance (photo 1, photo 2, photo 4); grain\/patina of glove-tanned cowhide not visible; thickness and suede back not shown",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-matched edge stitching around flap perimeter visible (photo 1, photo 2, photo 5); no close-up to judge tightness or stress points",
                    "strap_construction": "short shoulder strap mostly obscured by white foam packing wrap (photo 1-4); attaches via side rings (photo 3); buckle adjustment claimed in title but not visible unwrapped",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 1, photo 2: black small flap shoulder bag with center turn-tab closure",
                    "photo 3: side gusset construction with stitched strap anchor",
                    "photo 5: bottom view shows structured small rectangular silhouette"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: no creed, no wordmark, no hangtag, no solid-brass vintage hardware, no unlined glove-tanned leather, and new-in-wrap presentation inconsistent with vintage Coach classics",
                    "Silhouette is generic modern small flap saddle\/shoulder bag, widely copied; silhouette alone never conclusive for Coach",
                    "Condition: appears New\/NWOT - unworn look, foam-wrapped strap, protective film on lock (photo 1-5); interior not shown so grade capped and lining unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 29799,
            "output_tokens": 710,
            "total_tokens": 30509,
            "estimated_cost_usd": 0.013624
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 31750,
            "output_tokens": 1651,
            "total_tokens": 33401,
            "estimated_cost_usd": 0.007671
        }
    ]
}