Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.115,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.765,
    "seller_misidentification_probability": 0.105,
    "confidence": 0.87,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 9,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a shoulder handbag with a flap, shoulder strap, and front turning closure.",
        "photo 3: Appliques appear to be individually stitched onto the denim exterior.",
        "photo 1: flap shoulder bag with turn-type lock, a closure type also used by Coach, but geometry and materials differ"
    ],
    "negative_evidence": [
        "photo 1: The bag is made primarily of denim\/textile rather than Coach's characteristic leather or documented signature canvas construction.",
        "photo 1: The front closure is bright silver-tone and visually generic; it does not resemble the elegant solid-brass hardware typical of vintage Coach classics.",
        "photo 1: No COACH wordmark, horse-and-carriage mark, or leather Coach hangtag is visible.",
        "photo 5: Back construction shows plain denim with no visible Coach identifier or leather creed patch.",
        "photo 1: Decorative Western\/desert appliques and denim novelty styling do not match the listed vintage Coach catalog silhouettes.",
        "photo 3: The applique materials and visible finishing appear craft\/novelty-oriented rather than evidence of Coach manufacture.",
        "photo 1: body is blue denim textile with colorful western applique (windmill, cactus, moon), not glove-tanned cowhide",
        "photo 1,2,6: silver-tone small twist-lock and O-ring strap hardware, not solid brass vintage Coach hardware with correct turnlock geometry",
        "photo 6: plain denim back with sewn exterior pockets, no Coach silhouette, no creed, no hangtag, no wordmark visible",
        "photo 3-5: applique-style construction with contrast topstitching has no counterpart in Coach classic catalog"
    ],
    "missing_information": [
        "photo 1-7: Interior is not shown; request an emptied interior, including all pockets and seams.",
        "photo 1-7: Request any sewn-in fabric label, leather brand tag, or creed patch inside the bag.",
        "photo 1-7: Request close-ups of the turnlock, zipper or pocket hardware, and any markings.",
        "photo 1-7: Seller-stated dimensions, provenance, and a close-up of the strap attachment points would help identify the maker.",
        "photo 1-6: interior not shown, lining and any interior labels\/patches not visible",
        "photo 1-6: no creed patch shown; request straight-on interior back wall\/pocket view",
        "photo 1-6: no COACH wordmark, hangtag, or hardware stamps legible; request close-ups"
    ],
    "authenticity_concerns": [
        "photo 1: Textile denim construction and novelty applique styling are inconsistent with the classic vintage leather Coach population.",
        "photo 1: The generic bright silver-tone turnlock is a lookalike\/novelty cue, not a Coach identifier.",
        "photo 5: No Coach branding or creed is visible on the exterior or back; this is not proof of counterfeit, but supports an unbranded non-Coach assessment."
    ],
    "possible_model_reasoning": [
        "photo 1-6: The flap shoulder-bag silhouette is generic and does not provide a reliable Coach model match.",
        "photo 1: The denim novelty construction and Western\/desert applique theme are more consistent with an unbranded craft or fashion bag than with a vintage Coach model.",
        "photo 1-7: No creed or serial is visible, so Coach-era dating and model identification cannot be performed.",
        "photo 1-6: Condition appears Good to Very Good from the visible exterior, with intact-looking stitching and no obvious major tears; interior condition, odor, and hardware function are unknown.",
        "No Coach model fits: denim body, western applique decoration, silver-tone hardware, and lined construction are inconsistent with vintage Coach glove-tanned classics and with modern Coach lines",
        "Condition: appears clean and intact in exterior views (photo 1,2,6), grade Very Good to Excellent on exterior only; capped because interior, bottom corners, and strap fold not fully shown"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": true,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1: Bright silver-tone turning-tab closure at the bottom of the flap; silver-tone rings and strap attachments are visible. No branding is legible.",
        "leather_description": "photo 1: No leather body is visible; exterior appears to be blue denim\/textile with faux-leather or leather-like appliques.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-2: Wide matching denim shoulder strap attached at both sides with sewn tabs, metal rings, and snap-like hardware.",
        "stitching_description": "photo 3-6: Visible applique and perimeter stitching is generally even, with contrasting thread around many appliques; interior construction is not shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0029,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.18,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a shoulder handbag with a flap, shoulder strap, and front turning closure.",
                    "photo 3: Appliques appear to be individually stitched onto the denim exterior."
                ],
                "negative_evidence": [
                    "photo 1: The bag is made primarily of denim\/textile rather than Coach's characteristic leather or documented signature canvas construction.",
                    "photo 1: The front closure is bright silver-tone and visually generic; it does not resemble the elegant solid-brass hardware typical of vintage Coach classics.",
                    "photo 1: No COACH wordmark, horse-and-carriage mark, or leather Coach hangtag is visible.",
                    "photo 5: Back construction shows plain denim with no visible Coach identifier or leather creed patch.",
                    "photo 1: Decorative Western\/desert appliques and denim novelty styling do not match the listed vintage Coach catalog silhouettes.",
                    "photo 3: The applique materials and visible finishing appear craft\/novelty-oriented rather than evidence of Coach manufacture."
                ],
                "missing_information": [
                    "photo 1-7: Interior is not shown; request an emptied interior, including all pockets and seams.",
                    "photo 1-7: Request any sewn-in fabric label, leather brand tag, or creed patch inside the bag.",
                    "photo 1-7: Request close-ups of the turnlock, zipper or pocket hardware, and any markings.",
                    "photo 1-7: Seller-stated dimensions, provenance, and a close-up of the strap attachment points would help identify the maker."
                ],
                "authenticity_concerns": [
                    "photo 1: Textile denim construction and novelty applique styling are inconsistent with the classic vintage leather Coach population.",
                    "photo 1: The generic bright silver-tone turnlock is a lookalike\/novelty cue, not a Coach identifier.",
                    "photo 5: No Coach branding or creed is visible on the exterior or back; this is not proof of counterfeit, but supports an unbranded non-Coach assessment."
                ],
                "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": true,
                    "hangtag_present": false,
                    "hardware_description": "photo 1: Bright silver-tone turning-tab closure at the bottom of the flap; silver-tone rings and strap attachments are visible. No branding is legible.",
                    "leather_description": "photo 1: No leather body is visible; exterior appears to be blue denim\/textile with faux-leather or leather-like appliques.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1-2: Wide matching denim shoulder strap attached at both sides with sewn tabs, metal rings, and snap-like hardware.",
                    "stitching_description": "photo 3-6: Visible applique and perimeter stitching is generally even, with contrasting thread around many appliques; interior construction is not shown."
                },
                "possible_model_reasoning": [
                    "photo 1-6: The flap shoulder-bag silhouette is generic and does not provide a reliable Coach model match.",
                    "photo 1: The denim novelty construction and Western\/desert applique theme are more consistent with an unbranded craft or fashion bag than with a vintage Coach model.",
                    "photo 1-7: No creed or serial is visible, so Coach-era dating and model identification cannot be performed.",
                    "photo 1-6: Condition appears Good to Very Good from the visible exterior, with intact-looking stitching and no obvious major tears; interior condition, odor, and hardware function are unknown."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 8,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1-6: interior not shown, lining and any interior labels\/patches not visible",
                    "photo 1-6: no creed patch shown; request straight-on interior back wall\/pocket view",
                    "photo 1-6: no COACH wordmark, hangtag, or hardware stamps legible; request close-ups"
                ],
                "negative_evidence": [
                    "photo 1: body is blue denim textile with colorful western applique (windmill, cactus, moon), not glove-tanned cowhide",
                    "photo 1,2,6: silver-tone small twist-lock and O-ring strap hardware, not solid brass vintage Coach hardware with correct turnlock geometry",
                    "photo 6: plain denim back with sewn exterior pockets, no Coach silhouette, no creed, no hangtag, no wordmark visible",
                    "photo 3-5: applique-style construction with contrast topstitching has no counterpart in Coach classic catalog"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone small oval twist-lock on flap front (photo 1,5); silver-tone O-rings and snap at denim strap attachments (photo 1,2,6); tarnished appearance, not solid brass",
                    "leather_description": "no glove-tanned leather body visible; body is blue denim; only thin applique patches in yellow, green, red, brown, white simulating leather on flap (photo 1,3,4,5)",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible contrast tan topstitching around applique pieces (photo 3,4,5); straight denim seams on back and strap (photo 6); no tight tone-matched Coach glove-tanned stitching observed",
                    "strap_construction": "single denim shoulder strap attached via metal O-rings and snap-button tabs (photo 2,6)",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 1: flap shoulder bag with turn-type lock, a closure type also used by Coach, but geometry and materials differ"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: denim body, western applique decoration, silver-tone hardware, and lined construction are inconsistent with vintage Coach glove-tanned classics and with modern Coach lines",
                    "Condition: appears clean and intact in exterior views (photo 1,2,6), grade Very Good to Excellent on exterior only; capped because interior, bottom corners, and strap fold not fully shown"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.15
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 25444,
            "output_tokens": 899,
            "total_tokens": 26343,
            "estimated_cost_usd": 0.012335
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 26651,
            "output_tokens": 1173,
            "total_tokens": 27824,
            "estimated_cost_usd": 0.006269
        }
    ]
}