Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.66,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.86,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a shoulder handbag with a full-length strap and top corner attachment rings."
    ],
    "negative_evidence": [
        "photo 1: All-over rhinestone and metallic sunburst construction is unlike vintage Coach glove-tanned leather or Coach signature canvas.",
        "photo 1: No visible COACH wordmark, horse-and-carriage mark, creed patch, serial\/style number, or leather hangtag.",
        "photo 1: Bright decorative rhinestone exterior and silver-tone fashion hardware indicate a generic evening\/fashion bag rather than a classic Coach construction.",
        "photo 1: all-over silver rhinestone \/ beaded mesh with sunburst pattern, not glove-tanned cowhide leather",
        "photo 1: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1: no brass turnlock or vintage Coach hardware; only silver-tone grommets for strap",
        "photo 1: evening \/ fashion rhinestone silhouette matches no vintage Coach catalog style"
    ],
    "missing_information": [
        "Interior and any brand or fabric labels are not shown.",
        "Bottom, strap attachment details, and close-ups of hardware are not shown.",
        "Seller-stated dimensions and material composition are not provided.",
        "photo 1 only: no interior, bottom, back, or close-up views provided",
        "creed patch not shown - no interior view to check for creed",
        "lining, hardware stamps, and brand labels not shown"
    ],
    "authenticity_concerns": [
        "photo 1: The bag appears to be a generic unbranded fashion bag, with no visible Coach identifiers; Coach manufacture cannot be supported from the available photo."
    ],
    "possible_model_reasoning": [
        "photo 1: The rectangular shoulder-bag silhouette and sunburst rhinestone design do not match a recognizable vintage Coach model.",
        "Condition cannot be reliably graded because the interior, bottom, corners, and functional hardware are not shown; exterior appears visually intact in photo 1.",
        "photo 1 silhouette, rhinestone mesh materials and silver-tone hardware are inconsistent with any Coach glove-tanned classic or modern line",
        "no Coach identifier visible; seller lists as Unbranded fashion handbag which is consistent with photos",
        "Condition: appears new-like in single front view but cannot grade without corners, bottom, interior and strap detail"
    ],
    "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: Silver-tone circular strap rings and decorative rhinestone embellishments are visible; no Coach-stamped hardware is visible.",
        "leather_description": "photo 1: Silver metallic-looking or synthetic fashion material with extensive rhinestone decoration; genuine leather is not established.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: One wide silver shoulder strap appears attached through circular rings at the upper corners.",
        "stitching_description": "photo 1: Exterior seams are visible around the perimeter, but stitching quality and interior construction are not assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0008,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a shoulder handbag with a full-length strap and top corner attachment rings."
                ],
                "negative_evidence": [
                    "photo 1: All-over rhinestone and metallic sunburst construction is unlike vintage Coach glove-tanned leather or Coach signature canvas.",
                    "photo 1: No visible COACH wordmark, horse-and-carriage mark, creed patch, serial\/style number, or leather hangtag.",
                    "photo 1: Bright decorative rhinestone exterior and silver-tone fashion hardware indicate a generic evening\/fashion bag rather than a classic Coach construction."
                ],
                "missing_information": [
                    "Interior and any brand or fabric labels are not shown.",
                    "Bottom, strap attachment details, and close-ups of hardware are not shown.",
                    "Seller-stated dimensions and material composition are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: The bag appears to be a generic unbranded fashion bag, with no visible Coach identifiers; Coach manufacture cannot be supported from the available photo."
                ],
                "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: Silver-tone circular strap rings and decorative rhinestone embellishments are visible; no Coach-stamped hardware is visible.",
                    "leather_description": "photo 1: Silver metallic-looking or synthetic fashion material with extensive rhinestone decoration; genuine leather is not established.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: One wide silver shoulder strap appears attached through circular rings at the upper corners.",
                    "stitching_description": "photo 1: Exterior seams are visible around the perimeter, but stitching quality and interior construction are not assessable."
                },
                "possible_model_reasoning": [
                    "photo 1: The rectangular shoulder-bag silhouette and sunburst rhinestone design do not match a recognizable vintage Coach model.",
                    "Condition cannot be reliably graded because the interior, bottom, corners, and functional hardware are not shown; exterior appears visually intact in photo 1."
                ],
                "confidence": 0.82,
                "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": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo 1 only: no interior, bottom, back, or close-up views provided",
                    "creed patch not shown - no interior view to check for creed",
                    "lining, hardware stamps, and brand labels not shown"
                ],
                "negative_evidence": [
                    "photo 1: all-over silver rhinestone \/ beaded mesh with sunburst pattern, not glove-tanned cowhide leather",
                    "photo 1: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1: no brass turnlock or vintage Coach hardware; only silver-tone grommets for strap",
                    "photo 1: evening \/ fashion rhinestone silhouette matches no vintage Coach catalog style"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone grommet rings at strap attachments; no turnlock, no brass hardware visible",
                    "leather_description": "no glove-tanned leather visible; silver metallic base with rhinestone \/ bead mesh overlay in sunburst pattern",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "wide flat silver-tone shoulder strap attached via metal grommets",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 silhouette, rhinestone mesh materials and silver-tone hardware are inconsistent with any Coach glove-tanned classic or modern line",
                    "no Coach identifier visible; seller lists as Unbranded fashion handbag which is consistent with photos",
                    "Condition: appears new-like in single front view but cannot grade without corners, bottom, interior and strap detail"
                ],
                "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": 15590,
            "output_tokens": 629,
            "total_tokens": 16219,
            "estimated_cost_usd": 0.007746
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 15916,
            "output_tokens": 1123,
            "total_tokens": 17039,
            "estimated_cost_usd": 0.004082
        }
    ]
}