Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.025,
    "vintage_probability": 0.055,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.535,
    "seller_misidentification_probability": 0.105,
    "confidence": 0.79,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 2: exterior appears to be synthetic satin\/nylon rather than Coach glove-tanned leather or coated canvas",
        "photo 3: interior has shiny textile lining and several fabric pockets, not the typical unlined construction of many vintage Coach classics",
        "photos 1, 5, 6 and 7: no legible Coach wordmark, horse-and-carriage, creed patch, hangtag, or recognizable Coach hardware is visible",
        "photos 5 and 6: bright silver-tone ring hardware and triangular decorative marks do not support a typical vintage Coach construction",
        "photo 1: snap-top, multi-pocket tote silhouette is generic and not sufficient for Coach attribution",
        "photo 1, photo 5, photo 6: body appears satin nylon \/ synthetic fabric in olive green, not glove-tanned cowhide",
        "photo 5, photo 6: silver-tone large O-ring strap hardware, not vintage solid brass",
        "photo 3, photo 4: shiny synthetic satin\/nylon interior lining with zip pocket, not unlined suede-back leather",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 2, photo 5, photo 6: multi-pocket tote with 4 outside pockets and snap closure, not a catalog Coach classic silhouette; no turnlock present"
    ],
    "missing_information": [
        "photo 1-7: no straight-on close-up of any interior brand label or tag",
        "photo 1-7: no clear close-up of zipper pulls, hardware stamps, or decorative logos",
        "photo 1-7: seller-stated dimensions and material composition are not provided",
        "photo 3, photo 4: interior brand \/ content tag small white tag visible but illegible - need straight-on close-up",
        "photo 5, photo 6: hardware engravings \/ brand stamps on O-rings not shown",
        "photo 1-6: exterior front\/back full views are blurry and overexposed with flash glare; need sharper daylight photos"
    ],
    "authenticity_concerns": [
        "photos 2-4: synthetic textile lining and apparent satin\/nylon exterior are inconsistent with the classic vintage Coach leather population",
        "photos 5-7: visible triangular marks are not legible as Coach identifiers and may indicate another brand or an unbranded lookalike"
    ],
    "possible_model_reasoning": [
        "The bag is a handbag with a structured tote shape, snap closure, multiple exterior pockets, and interior zip\/slip pockets, but its synthetic construction does not match a likely vintage Coach leather model.",
        "No Coach identifier is visible, so no Coach model can be assigned. Condition appears Good based on visible creasing, discoloration, and textile wear; interior and exterior show substantial wrinkling and spotting in photos 1-4.",
        "No Coach hard identifier visible in any of 6 photos despite interior (photo 3, photo 4) and exterior (photo 5, photo 6) coverage",
        "Materials and hardware - nylon\/satin body, synthetic lining, silver-tone O-rings - are exclusionary for vintage glove-tanned Coach per triage rule; coach_probability capped <=0.05",
        "Silhouette is a generic 2000s multi-pocket fabric tote with outside pockets and snap top, not matching City Bag, Willis, Court, Station or other classics",
        "Condition: seller states good condition; photos show intact shape with surface sheen but blur and glare prevent grading above Good; treat as Good used generic tote"
    ],
    "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 5: silver-tone circular and oval ring hardware at the handles; no readable brand engraving is visible",
        "leather_description": "photos 1, 5 and 6: appears to be olive synthetic textile or satin-like material, not visibly leather",
        "lining_description": "photos 2-4: shiny olive\/tan textile lining with multiple slip pockets and a zippered pocket",
        "strap_construction": "photos 5-7: two narrow matching straps attached through silver-tone ring hardware; no buckle adjustment is visible",
        "stitching_description": "photos 2-4: machine stitching is visible on textile seams and pockets, with some uneven or loose-looking threads; detailed stress-point stitching is not fully assessable"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.006,
    "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": 0.02,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.18,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 2: exterior appears to be synthetic satin\/nylon rather than Coach glove-tanned leather or coated canvas",
                    "photo 3: interior has shiny textile lining and several fabric pockets, not the typical unlined construction of many vintage Coach classics",
                    "photos 1, 5, 6 and 7: no legible Coach wordmark, horse-and-carriage, creed patch, hangtag, or recognizable Coach hardware is visible",
                    "photos 5 and 6: bright silver-tone ring hardware and triangular decorative marks do not support a typical vintage Coach construction",
                    "photo 1: snap-top, multi-pocket tote silhouette is generic and not sufficient for Coach attribution"
                ],
                "missing_information": [
                    "photo 1-7: no straight-on close-up of any interior brand label or tag",
                    "photo 1-7: no clear close-up of zipper pulls, hardware stamps, or decorative logos",
                    "photo 1-7: seller-stated dimensions and material composition are not provided"
                ],
                "authenticity_concerns": [
                    "photos 2-4: synthetic textile lining and apparent satin\/nylon exterior are inconsistent with the classic vintage Coach leather population",
                    "photos 5-7: visible triangular marks are not legible as Coach identifiers and may indicate another brand or an unbranded lookalike"
                ],
                "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 5: silver-tone circular and oval ring hardware at the handles; no readable brand engraving is visible",
                    "leather_description": "photos 1, 5 and 6: appears to be olive synthetic textile or satin-like material, not visibly leather",
                    "lining_description": "photos 2-4: shiny olive\/tan textile lining with multiple slip pockets and a zippered pocket",
                    "strap_construction": "photos 5-7: two narrow matching straps attached through silver-tone ring hardware; no buckle adjustment is visible",
                    "stitching_description": "photos 2-4: machine stitching is visible on textile seams and pockets, with some uneven or loose-looking threads; detailed stress-point stitching is not fully assessable"
                },
                "possible_model_reasoning": [
                    "The bag is a handbag with a structured tote shape, snap closure, multiple exterior pockets, and interior zip\/slip pockets, but its synthetic construction does not match a likely vintage Coach leather model.",
                    "No Coach identifier is visible, so no Coach model can be assigned. Condition appears Good based on visible creasing, discoloration, and textile wear; interior and exterior show substantial wrinkling and spotting in photos 1-4."
                ],
                "confidence": 0.83,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.75,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.35,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo 3, photo 4: interior brand \/ content tag small white tag visible but illegible - need straight-on close-up",
                    "photo 5, photo 6: hardware engravings \/ brand stamps on O-rings not shown",
                    "photo 1-6: exterior front\/back full views are blurry and overexposed with flash glare; need sharper daylight photos"
                ],
                "negative_evidence": [
                    "photo 1, photo 5, photo 6: body appears satin nylon \/ synthetic fabric in olive green, not glove-tanned cowhide",
                    "photo 5, photo 6: silver-tone large O-ring strap hardware, not vintage solid brass",
                    "photo 3, photo 4: shiny synthetic satin\/nylon interior lining with zip pocket, not unlined suede-back leather",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 2, photo 5, photo 6: multi-pocket tote with 4 outside pockets and snap closure, not a catalog Coach classic silhouette; no turnlock present"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone large O-rings at strap attachments; no brass turnlock, no brass dogleash clips; no engravings legible",
                    "leather_description": "no leather visible; olive-green satin \/ nylon-like woven synthetic fabric body and straps",
                    "lining_description": "dark brown\/grey shiny synthetic satin\/nylon lining with interior zip pocket and slip pockets",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching in matching thread, triangular box-stitching at strap anchors (photo 5, photo 6); detail limited by blur",
                    "strap_construction": "double fixed-length fabric shoulder straps looped through large silver-tone metal O-rings",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach hard identifier visible in any of 6 photos despite interior (photo 3, photo 4) and exterior (photo 5, photo 6) coverage",
                    "Materials and hardware - nylon\/satin body, synthetic lining, silver-tone O-rings - are exclusionary for vintage glove-tanned Coach per triage rule; coach_probability capped <=0.05",
                    "Silhouette is a generic 2000s multi-pocket fabric tote with outside pockets and snap top, not matching City Bag, Willis, Court, Station or other classics",
                    "Condition: seller states good condition; photos show intact shape with surface sheen but blur and glare prevent grading above Good; treat as Good used generic tote"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17700,
            "output_tokens": 744,
            "total_tokens": 18444,
            "estimated_cost_usd": 0.008866
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18058,
            "output_tokens": 1281,
            "total_tokens": 19339,
            "estimated_cost_usd": 0.004636
        }
    ]
}