Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.04,
    "vintage_probability": 0.31,
    "authenticity_confidence": 0.035,
    "image_quality_score": 0.69,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.78,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Structured leather-like handbag silhouette with two shoulder handles.",
        "photo 2: A metal closure is visible, but it does not resemble a typical Coach turnlock.",
        "photo 1: leather handbag in black, the population where misidentified Coach hides - triage only"
    ],
    "negative_evidence": [
        "photo 1: No visible Coach wordmark, horse-and-carriage logo, creed patch, or hangtag.",
        "photo 2: The large ornate loop-shaped clasp is unlike the elegant flat turnlock geometry typical of vintage Coach and resembles a generic equestrian-style clasp.",
        "photo 2: Hardware appears bright, heavily plated, and visibly worn or flaking rather than solid aged brass.",
        "photo 3: The bag has a rigid, glossy, highly finished construction that does not visibly match classic unlined glove-tanned Coach leather.",
        "photo 4: Handles show extensive surface creasing and finish wear inconsistent with confidently identifying a Coach classic.",
        "photo 5: Exterior surface appears very glossy and uniformly finished, with no visible Coach construction identifiers.",
        "photo 6: No branding or creed is visible from the exterior views.",
        "photo 1,3,5,6: structured black box-calf style handbag with top frame and loop handles - not a catalog Coach silhouette",
        "photo 2: closure is textured gold-tone loop\/hook clasp, not Coach Cashin turnlock geometry",
        "photo 1,5,6: leather is smooth high-shine polished box leather, not matte glove-tanned cowhide with natural grain",
        "photo 3: bag appears lined with dark lining, not unlined suede-back glove-tanned classic construction",
        "photos 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible"
    ],
    "missing_information": [
        "Straight-on interior photograph, including all pockets and the back wall where a creed patch might be located.",
        "Close-up of any interior label, fabric tag, or stamped number.",
        "Photographs of the zipper or closure from both sides and any hardware markings.",
        "Bottom, corners, and full strap-attachment views.",
        "Seller-stated dimensions and material identification.",
        "photo of interior emptied showing lining and any maker label or creed patch - creed not shown",
        "straight-on photo of closure front and back plate and any hardware stamps",
        "photo of bottom corners and interior lining wear noted by seller",
        "seller-stated dimensions and close-up of zipper pull brand if present"
    ],
    "authenticity_concerns": [
        "photo 2: Oversized decorative equestrian-style clasp is a lookalike cue rather than a recognizable vintage Coach hardware design.",
        "photo 2: Bright, worn-looking plated hardware is inconsistent with the solid brass hardware normally expected on many classic vintage Coach silhouettes.",
        "No visible Coach identifier is present in photos 1-6, so Coach manufacture cannot be supported visually."
    ],
    "possible_model_reasoning": [
        "The rectangular structured tote shape could occur across many brands, but no identifiable Coach model features are visible.",
        "The clasp is not a standard Coach turnlock: it is a large decorative loop-style closure, reducing the likelihood of a vintage Coach attribution.",
        "Condition appears approximately Good based on visible handle creasing, surface scratches, and hardware finish wear; the unseen interior prevents a higher-confidence grade.",
        "No Coach identifier visible in any photo, hardware is non-Coach loop clasp, leather is polished box not glove-tanned, silhouette matches no Classic glove-tanned catalog style, so no Coach model can be ranked",
        "Condition: Good to Very Good externally from photos; smooth leather with light scuffs (photo 5), handles with creasing\/crazing (photo 4), bottom not fully graded; interior lining wear stated but not shown so lining unknown and grade capped"
    ],
    "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 2: Large ornate gold-tone loop clasp with substantial surface wear and apparent plating loss; no Coach engraving visible.",
        "leather_description": "photo 1 and photo 5: Black glossy, smooth finished material that appears leather-like but cannot be confirmed from photos; it does not visibly show the matte glove-tanned character of classic Coach leather.",
        "lining_description": "not_visible - dark interior glimpsed in photo 3 but material and pockets not shown; seller states wear on interior lining",
        "strap_construction": "photo 1 and photo 4: Two long narrow shoulder handles attached through circular grommet-like fittings; handles show creasing and surface wear.",
        "stitching_description": "photo 3 and photo 5: Edge stitching and construction seams are visible, but resolution and angle do not support a detailed quality assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0064,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.05,
                "vintage_probability": 0.12,
                "authenticity_confidence": 0.04,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Structured leather-like handbag silhouette with two shoulder handles.",
                    "photo 2: A metal closure is visible, but it does not resemble a typical Coach turnlock."
                ],
                "negative_evidence": [
                    "photo 1: No visible Coach wordmark, horse-and-carriage logo, creed patch, or hangtag.",
                    "photo 2: The large ornate loop-shaped clasp is unlike the elegant flat turnlock geometry typical of vintage Coach and resembles a generic equestrian-style clasp.",
                    "photo 2: Hardware appears bright, heavily plated, and visibly worn or flaking rather than solid aged brass.",
                    "photo 3: The bag has a rigid, glossy, highly finished construction that does not visibly match classic unlined glove-tanned Coach leather.",
                    "photo 4: Handles show extensive surface creasing and finish wear inconsistent with confidently identifying a Coach classic.",
                    "photo 5: Exterior surface appears very glossy and uniformly finished, with no visible Coach construction identifiers.",
                    "photo 6: No branding or creed is visible from the exterior views."
                ],
                "missing_information": [
                    "Straight-on interior photograph, including all pockets and the back wall where a creed patch might be located.",
                    "Close-up of any interior label, fabric tag, or stamped number.",
                    "Photographs of the zipper or closure from both sides and any hardware markings.",
                    "Bottom, corners, and full strap-attachment views.",
                    "Seller-stated dimensions and material identification."
                ],
                "authenticity_concerns": [
                    "photo 2: Oversized decorative equestrian-style clasp is a lookalike cue rather than a recognizable vintage Coach hardware design.",
                    "photo 2: Bright, worn-looking plated hardware is inconsistent with the solid brass hardware normally expected on many classic vintage Coach silhouettes.",
                    "No visible Coach identifier is present in photos 1-6, so Coach manufacture cannot be supported visually."
                ],
                "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 2: Large ornate gold-tone loop clasp with substantial surface wear and apparent plating loss; no Coach engraving visible.",
                    "leather_description": "photo 1 and photo 5: Black glossy, smooth finished material that appears leather-like but cannot be confirmed from photos; it does not visibly show the matte glove-tanned character of classic Coach leather.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1 and photo 4: Two long narrow shoulder handles attached through circular grommet-like fittings; handles show creasing and surface wear.",
                    "stitching_description": "photo 3 and photo 5: Edge stitching and construction seams are visible, but resolution and angle do not support a detailed quality assessment."
                },
                "possible_model_reasoning": [
                    "The rectangular structured tote shape could occur across many brands, but no identifiable Coach model features are visible.",
                    "The clasp is not a standard Coach turnlock: it is a large decorative loop-style closure, reducing the likelihood of a vintage Coach attribution.",
                    "Condition appears approximately Good based on visible handle creasing, surface scratches, and hardware finish wear; the unseen interior prevents a higher-confidence grade."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 10,
                "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": 0.03,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior emptied showing lining and any maker label or creed patch - creed not shown",
                    "straight-on photo of closure front and back plate and any hardware stamps",
                    "photo of bottom corners and interior lining wear noted by seller",
                    "seller-stated dimensions and close-up of zipper pull brand if present"
                ],
                "negative_evidence": [
                    "photo 1,3,5,6: structured black box-calf style handbag with top frame and loop handles - not a catalog Coach silhouette",
                    "photo 2: closure is textured gold-tone loop\/hook clasp, not Coach Cashin turnlock geometry",
                    "photo 1,5,6: leather is smooth high-shine polished box leather, not matte glove-tanned cowhide with natural grain",
                    "photo 3: bag appears lined with dark lining, not unlined suede-back glove-tanned classic construction",
                    "photos 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone textured loop clasp on top frame (photo 2); small gold-tone side hardware (photo 3); not solid brass Coach turnlock, buckle or dogleash clips",
                    "leather_description": "black smooth polished leather with high shine, visible grain in close-up (photo 5); not matte glove-tanned full-grain",
                    "lining_description": "not_visible - dark interior glimpsed in photo 3 but material and pockets not shown; seller states wear on interior lining",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "edge stitching visible on handles (photo 4) and side seams (photo 5); even but not diagnostic, thread matched to leather",
                    "strap_construction": "twin short rolled top handles looped through metal eyelets (photo 1,5); no buckle adjustment, no detachable dogleash clips",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: leather handbag in black, the population where misidentified Coach hides - triage only"
                ],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo, hardware is non-Coach loop clasp, leather is polished box not glove-tanned, silhouette matches no Classic glove-tanned catalog style, so no Coach model can be ranked",
                    "Condition: Good to Very Good externally from photos; smooth leather with light scuffs (photo 5), handles with creasing\/crazing (photo 4), bottom not fully graded; interior lining wear stated but not shown so lining unknown and grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18074,
            "output_tokens": 812,
            "total_tokens": 18886,
            "estimated_cost_usd": 0.009178
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18626,
            "output_tokens": 1309,
            "total_tokens": 19935,
            "estimated_cost_usd": 0.004772
        }
    ]
}