Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.025,
    "vintage_probability": 0.035,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.64,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.795,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag appears to be a textile tote with prominent vertical stripes rather than a vintage Coach glove-tanned leather handbag",
        "photo 1: no visible Coach wordmark, horse-and-carriage emblem, creed patch, or leather hangtag",
        "photo 2: no visible Coach identifiers or classic Coach hardware; handles appear to be dark webbing or fabric",
        "photo 1: decorative dark patch is visible near the upper-right front but no readable Coach branding is apparent",
        "photo 1-2: woven vertical-striped fabric tote body, not glove-tanned leather",
        "photo 1-2: dark webbing fabric handles, not leather straps with brass hardware",
        "photo 1-2: no turnlock, no brass hardware, no leather hangtag visible",
        "photo 1-2: no creed patch, COACH wordmark, or horse-and-carriage visible"
    ],
    "missing_information": [
        "photo 1-2: interior, lining, and any sewn-in brand or care label are not shown",
        "photo 1-2: bottom, side construction, and handle attachment details are only partially visible",
        "photo 1-2: close-up of the decorative patch is needed to determine whether it carries any brand text",
        "photo 1-2: interior not shown, lining and any creed patch or fabric tags unknown",
        "photo 1-2: no close-up of handles attachment, hardware, or brand marks",
        "photo 1-2: no bottom, side, scale or dimensions shown",
        "photo 1-2: material and maker labels not shown"
    ],
    "authenticity_concerns": [
        "photo 1: striped textile construction and webbing-style handles are inconsistent with the classic vintage Coach leather handbag population",
        "photo 1-2: absence of any visible Coach identifier makes a Coach attribution unsupported"
    ],
    "possible_model_reasoning": [
        "photo 1-2: silhouette supports a generic open-top tote, but no Coach catalog model is indicated",
        "photo 1-2: no creed, serial, leather construction, or Coach hardware is visible; the bag is best treated as a generic secondhand textile tote",
        "photo 1-2: condition appears roughly Good to Very Good from visible exterior, with some creasing and edge wear; interior and odor are unknown",
        "photo 1-2: fabric striped tote silhouette with webbing handles does not match any vintage Coach catalog style in \u00a74",
        "photo 1-2: nylon\/canvas\/fabric construction with no leather and no brass hardware is inconsistent with 1970s-1990s glove-tanned Coach classics per \u00a71 and \u00a73",
        "Condition: not graded as Coach; appears used with soft collapsing structure but no leather wear to grade"
    ],
    "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 1-2: no turnlock or recognizable Coach hardware visible; small dark decorative patch and possible small side hardware are visible but not legible",
        "leather_description": "photo 1-2: body appears to be striped textile fabric, not visible leather",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-2: two dark, broad fabric or webbing handles attached at the upper sides",
        "stitching_description": "photo 1-2: visible seams and stripe alignment appear generally machine-constructed; fine stitching quality is not assessable"
    },
    "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": 0.04,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag appears to be a textile tote with prominent vertical stripes rather than a vintage Coach glove-tanned leather handbag",
                    "photo 1: no visible Coach wordmark, horse-and-carriage emblem, creed patch, or leather hangtag",
                    "photo 2: no visible Coach identifiers or classic Coach hardware; handles appear to be dark webbing or fabric",
                    "photo 1: decorative dark patch is visible near the upper-right front but no readable Coach branding is apparent"
                ],
                "missing_information": [
                    "photo 1-2: interior, lining, and any sewn-in brand or care label are not shown",
                    "photo 1-2: bottom, side construction, and handle attachment details are only partially visible",
                    "photo 1-2: close-up of the decorative patch is needed to determine whether it carries any brand text"
                ],
                "authenticity_concerns": [
                    "photo 1: striped textile construction and webbing-style handles are inconsistent with the classic vintage Coach leather handbag population",
                    "photo 1-2: absence of any visible Coach identifier makes a Coach attribution unsupported"
                ],
                "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 1-2: no turnlock or recognizable Coach hardware visible; small dark decorative patch and possible small side hardware are visible but not legible",
                    "leather_description": "photo 1-2: body appears to be striped textile fabric, not visible leather",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1-2: two dark, broad fabric or webbing handles attached at the upper sides",
                    "stitching_description": "photo 1-2: visible seams and stripe alignment appear generally machine-constructed; fine stitching quality is not assessable"
                },
                "possible_model_reasoning": [
                    "photo 1-2: silhouette supports a generic open-top tote, but no Coach catalog model is indicated",
                    "photo 1-2: no creed, serial, leather construction, or Coach hardware is visible; the bag is best treated as a generic secondhand textile tote",
                    "photo 1-2: condition appears roughly Good to Very Good from visible exterior, with some creasing and edge wear; interior and odor are unknown"
                ],
                "confidence": 0.79,
                "recommended_max_bid": 8,
                "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": 0.8,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.5,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo 1-2: interior not shown, lining and any creed patch or fabric tags unknown",
                    "photo 1-2: no close-up of handles attachment, hardware, or brand marks",
                    "photo 1-2: no bottom, side, scale or dimensions shown",
                    "photo 1-2: material and maker labels not shown"
                ],
                "negative_evidence": [
                    "photo 1-2: woven vertical-striped fabric tote body, not glove-tanned leather",
                    "photo 1-2: dark webbing fabric handles, not leather straps with brass hardware",
                    "photo 1-2: no turnlock, no brass hardware, no leather hangtag visible",
                    "photo 1-2: no creed patch, COACH wordmark, or horse-and-carriage visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "not_visible - no metal hardware visible",
                    "leather_description": "no leather visible - woven striped fabric in beige\/black\/brown vertical stripes",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight top-edge stitching visible in photo 2; no leather stitching detail visible",
                    "strap_construction": "dark brown\/black flat webbing tote handles, stitched to body",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1-2: fabric striped tote silhouette with webbing handles does not match any vintage Coach catalog style in \u00a74",
                    "photo 1-2: nylon\/canvas\/fabric construction with no leather and no brass hardware is inconsistent with 1970s-1990s glove-tanned Coach classics per \u00a71 and \u00a73",
                    "Condition: not graded as Coach; appears used with soft collapsing structure but no leather wear to grade"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17539,
            "output_tokens": 709,
            "total_tokens": 18248,
            "estimated_cost_usd": 0.008717
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18103,
            "output_tokens": 991,
            "total_tokens": 19094,
            "estimated_cost_usd": 0.004413
        }
    ]
}