Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.055,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.795,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.89,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag is a large cotton\/canvas tote with navy and ivory fabric panels, not glove-tanned leather or Coach signature canvas.",
        "photo 2: rear view shows a fabric drawstring-style opening and plain textile construction with no visible Coach branding.",
        "photo 3: seller-measured dimensions indicate a large approximately 24-inch-tall tote, unlike the listed vintage Coach silhouettes.",
        "photo 6: close-up shows plain fabric construction and ordinary riveted strap attachment, with no Coach wordmark, carriage, creed, or recognizable Coach hardware.",
        "listing title: seller states cotton and Made India, which is inconsistent with classic vintage Coach leather construction.",
        "photo 1, photo 2, photo 3: cotton canvas body with navy trim, not glove-tanned leather",
        "photo 1, photo 2, photo 3: no turnlock, no solid brass hardware, no leather hangtag",
        "photo 1, photo 2: boat tote with drawstring top and webbing straps, not a Coach catalog silhouette",
        "photo 1-6: no COACH wordmark, no horse-and-carriage, no creed patch visible"
    ],
    "missing_information": [
        "photo 1-6: interior is not shown; request an emptied interior and any sewn-in labels or brand tags.",
        "photo 1-6: bottom, side seams, and drawstring closure details are not fully shown.",
        "photo 1-6: no close-up of any interior or exterior brand label is provided.",
        "interior view emptied not shown",
        "close-up of any interior labels or tags not shown",
        "bottom and side views not shown"
    ],
    "authenticity_concerns": [
        "photo 1-6: no Coach identifiers are visible, and the cotton\/canvas construction is inconsistent with the principal vintage Coach handbag population.",
        "photo 6: plain riveted textile strap attachment and non-leather body provide no support for Coach manufacture."
    ],
    "possible_model_reasoning": [
        "photo 1: silhouette is a large fabric utility\/boat tote with a drawstring-style upper section, not a close match to the listed Coach leather models.",
        "photo 2: Made-in-India cotton construction, as stated in the listing and consistent with the photos, points to a generic textile tote rather than vintage Coach.",
        "Condition: Good; visible wrinkles, handling marks, and light discoloration on the ivory fabric (photos 1-2), with no interior condition view.",
        "Cotton boat tote construction excludes vintage Coach glove-tanned classics per triage rule",
        "No creed, wordmark, hangtag, brass turnlock or leather observed in any photo, so no hard Coach identifier",
        "Condition: Very Good to Good; canvas appears intact with light soiling but interior, bottom corners and odor unknown from photos"
    ],
    "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 6: plain small metal rivets\/strap hardware are visible; no Coach-engraved hardware is visible.",
        "leather_description": "photo 1: no leather is visible; body appears to be cotton or canvas fabric in navy and ivory.",
        "lining_description": "not_visible - interior not shown",
        "strap_construction": "photos 1-2: wide flat fabric webbing handles, contrasting navy and ivory, sewn to the tote body.",
        "stitching_description": "photos 1-2 and 6: visible straight machine stitching on fabric panels and handles; no distinctive Coach leather construction is visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0014,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.89,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag is a large cotton\/canvas tote with navy and ivory fabric panels, not glove-tanned leather or Coach signature canvas.",
                    "photo 2: rear view shows a fabric drawstring-style opening and plain textile construction with no visible Coach branding.",
                    "photo 3: seller-measured dimensions indicate a large approximately 24-inch-tall tote, unlike the listed vintage Coach silhouettes.",
                    "photo 6: close-up shows plain fabric construction and ordinary riveted strap attachment, with no Coach wordmark, carriage, creed, or recognizable Coach hardware.",
                    "listing title: seller states cotton and Made India, which is inconsistent with classic vintage Coach leather construction."
                ],
                "missing_information": [
                    "photo 1-6: interior is not shown; request an emptied interior and any sewn-in labels or brand tags.",
                    "photo 1-6: bottom, side seams, and drawstring closure details are not fully shown.",
                    "photo 1-6: no close-up of any interior or exterior brand label is provided."
                ],
                "authenticity_concerns": [
                    "photo 1-6: no Coach identifiers are visible, and the cotton\/canvas construction is inconsistent with the principal vintage Coach handbag population.",
                    "photo 6: plain riveted textile strap attachment and non-leather body provide no support for Coach manufacture."
                ],
                "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 6: plain small metal rivets\/strap hardware are visible; no Coach-engraved hardware is visible.",
                    "leather_description": "photo 1: no leather is visible; body appears to be cotton or canvas fabric in navy and ivory.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1-2: wide flat fabric webbing handles, contrasting navy and ivory, sewn to the tote body.",
                    "stitching_description": "photos 1-2 and 6: visible straight machine stitching on fabric panels and handles; no distinctive Coach leather construction is visible."
                },
                "possible_model_reasoning": [
                    "photo 1: silhouette is a large fabric utility\/boat tote with a drawstring-style upper section, not a close match to the listed Coach leather models.",
                    "photo 2: Made-in-India cotton construction, as stated in the listing and consistent with the photos, points to a generic textile tote rather than vintage Coach.",
                    "Condition: Good; visible wrinkles, handling marks, and light discoloration on the ivory fabric (photos 1-2), with no interior condition view."
                ],
                "confidence": 0.9,
                "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": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "interior view emptied not shown",
                    "close-up of any interior labels or tags not shown",
                    "bottom and side views not shown"
                ],
                "negative_evidence": [
                    "photo 1, photo 2, photo 3: cotton canvas body with navy trim, not glove-tanned leather",
                    "photo 1, photo 2, photo 3: no turnlock, no solid brass hardware, no leather hangtag",
                    "photo 1, photo 2: boat tote with drawstring top and webbing straps, not a Coach catalog silhouette",
                    "photo 1-6: no COACH wordmark, no horse-and-carriage, no creed patch 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; only fabric straps and drawstring closure",
                    "leather_description": "no leather visible; ivory and navy cotton canvas body and trim",
                    "lining_description": "not_visible - interior not shown",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching visible on exterior pocket and strap edges (photo 1, photo 2)",
                    "strap_construction": "two canvas webbing shoulder straps sewn full-length down tote body (photo 1, photo 2)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Cotton boat tote construction excludes vintage Coach glove-tanned classics per triage rule",
                    "No creed, wordmark, hangtag, brass turnlock or leather observed in any photo, so no hard Coach identifier",
                    "Condition: Very Good to Good; canvas appears intact with light soiling but interior, bottom corners and odor unknown from photos"
                ],
                "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": 27398,
            "output_tokens": 775,
            "total_tokens": 28173,
            "estimated_cost_usd": 0.012819
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 28576,
            "output_tokens": 1223,
            "total_tokens": 29799,
            "estimated_cost_usd": 0.006694
        }
    ]
}