Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.02,
    "vintage_probability": 0.075,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.765,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.905,
    "recommended_max_bid": 9,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a tote\/shoulder bag with two handles and a textile body.",
        "photo 1: The bag visibly has colorful quilted fabric and decorative printed panels, consistent with the seller's kantha description."
    ],
    "negative_evidence": [
        "photo 1: No visible COACH wordmark, horse-and-carriage, creed patch, leather hangtag, or Coach-specific hardware.",
        "photo 1: The body, handles, and trim appear to be quilted fabric rather than Coach glove-tanned leather or Coach signature canvas.",
        "photo 2: The visible front construction has textile handles and a fabric top opening, with no recognizable Coach closure or branding.",
        "photo 3: The rear view shows an unbranded textile tote construction and no Coach identifier.",
        "photo 1-3: soft quilted cotton Kantha fabric body with boho floral print, not glove-tanned leather",
        "photo 1-3: fabric shoulder straps with striped cotton underside, no leather straps or brass hardware",
        "photo 1-3: no turnlock, no brass hardware, no leather hangtag, no COACH wordmark or horse-and-carriage visible",
        "photo 1-3: handmade Indian Kantha construction inconsistent with any Coach leather or canvas line"
    ],
    "missing_information": [
        "photo 1: Interior, lining, and any sewn-in maker label are not shown.",
        "photo 1: Bottom, seams, and handle attachment details are only partially visible.",
        "Seller-stated dimensions and material composition are not provided.",
        "interior and any labels\/tags not shown (photos 1-3 show exterior only)",
        "close-up of closure, seams and strap attachments not shown"
    ],
    "authenticity_concerns": [
        "photo 1: The construction is inconsistent with the vintage leather Coach handbag population and provides no evidence of Coach manufacture.",
        "photo 1: The textile tote has generic handmade\/boho construction; it should not be valued as Coach based on silhouette alone."
    ],
    "possible_model_reasoning": [
        "The shape is a generic fabric tote and does not match a specific Coach model in the catalog.",
        "The printed kantha-style textile, lack of leather, and absence of Coach identifiers support a non-Coach classification.",
        "Condition: approximately Good to Very Good from the visible exterior; quilting and fabric appear intact, but interior, odor, stains, and bottom condition are not fully assessable.",
        "Tote silhouette alone does not match any catalog Coach style without leather, hardware, creed or wordmark support",
        "Materials (quilted cotton fabric, fabric straps, no brass) place bag outside Coach leather and coated-canvas populations per triage rule",
        "Condition: Good to Very Good exterior appearance in photos 1-3; no interior, bottom or detail views so full grade capped"
    ],
    "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": "No visible metal Coach hardware, turnlock, zipper, or branded fittings; fabric handles and a fabric top tab are visible in photos 1-3.",
        "leather_description": "No leather is visibly present; the bag appears to be made from quilted printed fabric.",
        "lining_description": "not_visible",
        "strap_construction": "Two long fabric shoulder handles, visibly sewn into the textile body; handle interiors show contrasting striped fabric in photos 1-3.",
        "stitching_description": "Visible quilting and panel seams appear generally even, but detailed seam and stress-point construction is not shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0022,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.12,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a tote\/shoulder bag with two handles and a textile body.",
                    "photo 1: The bag visibly has colorful quilted fabric and decorative printed panels, consistent with the seller's kantha description."
                ],
                "negative_evidence": [
                    "photo 1: No visible COACH wordmark, horse-and-carriage, creed patch, leather hangtag, or Coach-specific hardware.",
                    "photo 1: The body, handles, and trim appear to be quilted fabric rather than Coach glove-tanned leather or Coach signature canvas.",
                    "photo 2: The visible front construction has textile handles and a fabric top opening, with no recognizable Coach closure or branding.",
                    "photo 3: The rear view shows an unbranded textile tote construction and no Coach identifier."
                ],
                "missing_information": [
                    "photo 1: Interior, lining, and any sewn-in maker label are not shown.",
                    "photo 1: Bottom, seams, and handle attachment details are only partially visible.",
                    "Seller-stated dimensions and material composition are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: The construction is inconsistent with the vintage leather Coach handbag population and provides no evidence of Coach manufacture.",
                    "photo 1: The textile tote has generic handmade\/boho construction; it should not be valued as Coach based on silhouette alone."
                ],
                "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": "No visible metal Coach hardware, turnlock, zipper, or branded fittings; fabric handles and a fabric top tab are visible in photos 1-3.",
                    "leather_description": "No leather is visibly present; the bag appears to be made from quilted printed fabric.",
                    "lining_description": "not_visible",
                    "strap_construction": "Two long fabric shoulder handles, visibly sewn into the textile body; handle interiors show contrasting striped fabric in photos 1-3.",
                    "stitching_description": "Visible quilting and panel seams appear generally even, but detailed seam and stress-point construction is not shown."
                },
                "possible_model_reasoning": [
                    "The shape is a generic fabric tote and does not match a specific Coach model in the catalog.",
                    "The printed kantha-style textile, lack of leather, and absence of Coach identifiers support a non-Coach classification.",
                    "Condition: approximately Good to Very Good from the visible exterior; quilting and fabric appear intact, but interior, odor, stains, and bottom condition are not fully assessable."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 40
            }
        },
        {
            "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": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "interior and any labels\/tags not shown (photos 1-3 show exterior only)",
                    "close-up of closure, seams and strap attachments not shown"
                ],
                "negative_evidence": [
                    "photo 1-3: soft quilted cotton Kantha fabric body with boho floral print, not glove-tanned leather",
                    "photo 1-3: fabric shoulder straps with striped cotton underside, no leather straps or brass hardware",
                    "photo 1-3: no turnlock, no brass hardware, no leather hangtag, no COACH wordmark or horse-and-carriage visible",
                    "photo 1-3: handmade Indian Kantha construction inconsistent with any Coach leather or canvas line"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "no metal hardware visible in photos 1-3",
                    "leather_description": "no leather visible; quilted printed cotton Kantha fabric",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible Kantha running quilt stitch across fabric body (photos 1-3); no leather edge stitching visible",
                    "strap_construction": "paired fabric tote straps sewn to body, striped cotton reverse visible in photo 1",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Tote silhouette alone does not match any catalog Coach style without leather, hardware, creed or wordmark support",
                    "Materials (quilted cotton fabric, fabric straps, no brass) place bag outside Coach leather and coated-canvas populations per triage rule",
                    "Condition: Good to Very Good exterior appearance in photos 1-3; no interior, bottom or detail views so full grade capped"
                ],
                "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": 17074,
            "output_tokens": 721,
            "total_tokens": 17795,
            "estimated_cost_usd": 0.00856
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17556,
            "output_tokens": 878,
            "total_tokens": 18434,
            "estimated_cost_usd": 0.004214
        }
    ]
}