Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.03,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.65,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.8,
    "recommended_max_bid": 9,
    "estimated_resale_low": 10,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag\/tote with shoulder straps and a structured open-top silhouette.",
        "photo 1: The exterior appears leather-like and pebbled, with metal chain-linked strap attachments."
    ],
    "negative_evidence": [
        "photo 1: No legible COACH wordmark, horse-and-carriage emblem, creed patch, or hangtag is visible.",
        "photos 1-5: The bag has polished gold chain hardware and a small central snap\/ornament rather than the solid-brass turnlock geometry typical of vintage Coach classics.",
        "photos 1-5: The broad modern tote silhouette and decorative chain attachments do not closely match the listed vintage Coach catalog shapes.",
        "photos 1-5: The surface may be coated or synthetic leather; material cannot be confirmed from these exterior views.",
        "Listing data: Seller identifies the bag as unbranded and provides no Coach-specific provenance or identifiers.",
        "photo 1-4: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1-2: no turnlock - only small round magnetic snap stud at top edge",
        "photo 1-4: bright polished gold-tone chain-link eyelet strap attachments, not vintage solid brass turnlock\/dogleash hardware",
        "photo 1-4: soft slouchy tote silhouette with chain-accent shoulder straps does not match any vintage Coach catalog style",
        "photo 1-4: black pebbled-grain material with high synthetic sheen and slouch, unlike matte glove-tanned cowhide"
    ],
    "missing_information": [
        "photo 1-5: Interior view, including any sewn-in brand label, creed patch, fabric tag, and lining.",
        "photo 1-5: Close-up of the central snap\/ornament and all hardware markings.",
        "photo 1-5: Bottom, corners, side seams, and strap attachment details.",
        "photo 1-5: Zipper or closure details, if present, and a material tag or country-of-origin label.",
        "photo 1-4: interior not shown - no creed patch, lining, or fabric tag visible",
        "photo 1-4: bottom, side, and close-up hardware views not shown",
        "photo 1-4: strap underside, stitching detail, and any maker stamps not shown",
        "seller-stated dimensions, materials, and interior description not provided"
    ],
    "authenticity_concerns": [
        "photos 1-5: No Coach identifier is visible, while the modern decorative gold-chain hardware and tote construction are more consistent with an unbranded or other-brand bag than a vintage Coach model.",
        "photos 1-5: The apparent pebbled leather and hardware are insufficient to establish Coach manufacture."
    ],
    "possible_model_reasoning": [
        "No Coach model is assigned because the visible silhouette is a generic modern tote and no Coach identifier is present.",
        "Condition appears approximately Good to Very Good based on visible creasing and soft collapse of the body; corners, bottom, interior, and strap wear are not adequately shown.",
        "The modern construction and lack of identifiers support a generic secondhand leather-like bag rather than a vintage Coach piece.",
        "No Coach identifier visible in any photo - no creed, wordmark, hangtag, or solid-brass turnlock to decode era or style",
        "Construction - plated chain hardware, synthetic-looking pebbled material, magnetic snap, slouchy chain tote silhouette - is inconsistent with 1970s-1990s unlined glove-tanned Coach classics",
        "Modern fast-fashion tote profile; matches generic non-Coach secondhand leatherette tote segment, not a catalog Coach model",
        "Condition: Good exterior only based on photo 1-4 - surface intact with creasing\/slouch, no corners\/bottom\/interior shown so grade capped and lining unknown"
    ],
    "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": "Polished gold-tone chain-linked strap attachments and a small central round snap\/ornament are visible; no Coach engraving is legible.",
        "leather_description": "Black pebbled leather-like exterior is visible, but genuine leather versus coated or synthetic material cannot be determined from the photos.",
        "lining_description": "not_visible",
        "strap_construction": "Two black shoulder straps with stitched edges, attached through gold-tone chain and ring hardware; full strap construction is not shown.",
        "stitching_description": "Top-edge stitching appears generally even in the visible exterior photos; interior and stress-point stitching are not shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0015,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.75,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag\/tote with shoulder straps and a structured open-top silhouette.",
                    "photo 1: The exterior appears leather-like and pebbled, with metal chain-linked strap attachments."
                ],
                "negative_evidence": [
                    "photo 1: No legible COACH wordmark, horse-and-carriage emblem, creed patch, or hangtag is visible.",
                    "photos 1-5: The bag has polished gold chain hardware and a small central snap\/ornament rather than the solid-brass turnlock geometry typical of vintage Coach classics.",
                    "photos 1-5: The broad modern tote silhouette and decorative chain attachments do not closely match the listed vintage Coach catalog shapes.",
                    "photos 1-5: The surface may be coated or synthetic leather; material cannot be confirmed from these exterior views.",
                    "Listing data: Seller identifies the bag as unbranded and provides no Coach-specific provenance or identifiers."
                ],
                "missing_information": [
                    "photo 1-5: Interior view, including any sewn-in brand label, creed patch, fabric tag, and lining.",
                    "photo 1-5: Close-up of the central snap\/ornament and all hardware markings.",
                    "photo 1-5: Bottom, corners, side seams, and strap attachment details.",
                    "photo 1-5: Zipper or closure details, if present, and a material tag or country-of-origin label."
                ],
                "authenticity_concerns": [
                    "photos 1-5: No Coach identifier is visible, while the modern decorative gold-chain hardware and tote construction are more consistent with an unbranded or other-brand bag than a vintage Coach model.",
                    "photos 1-5: The apparent pebbled leather and hardware are insufficient to establish 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": "Polished gold-tone chain-linked strap attachments and a small central round snap\/ornament are visible; no Coach engraving is legible.",
                    "leather_description": "Black pebbled leather-like exterior is visible, but genuine leather versus coated or synthetic material cannot be determined from the photos.",
                    "lining_description": "not_visible",
                    "strap_construction": "Two black shoulder straps with stitched edges, attached through gold-tone chain and ring hardware; full strap construction is not shown.",
                    "stitching_description": "Top-edge stitching appears generally even in the visible exterior photos; interior and stress-point stitching are not shown."
                },
                "possible_model_reasoning": [
                    "No Coach model is assigned because the visible silhouette is a generic modern tote and no Coach identifier is present.",
                    "Condition appears approximately Good to Very Good based on visible creasing and soft collapse of the body; corners, bottom, interior, and strap wear are not adequately shown.",
                    "The modern construction and lack of identifiers support a generic secondhand leather-like bag rather than a vintage Coach piece."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.82,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo 1-4: interior not shown - no creed patch, lining, or fabric tag visible",
                    "photo 1-4: bottom, side, and close-up hardware views not shown",
                    "photo 1-4: strap underside, stitching detail, and any maker stamps not shown",
                    "seller-stated dimensions, materials, and interior description not provided"
                ],
                "negative_evidence": [
                    "photo 1-4: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1-2: no turnlock - only small round magnetic snap stud at top edge",
                    "photo 1-4: bright polished gold-tone chain-link eyelet strap attachments, not vintage solid brass turnlock\/dogleash hardware",
                    "photo 1-4: soft slouchy tote silhouette with chain-accent shoulder straps does not match any vintage Coach catalog style",
                    "photo 1-4: black pebbled-grain material with high synthetic sheen and slouch, unlike matte glove-tanned cowhide"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright polished gold-tone chain links connecting flat straps to round eyelets; small round stud\/snap at center top edge in photo 1-2; plated appearance, not solid brass vintage hardware",
                    "leather_description": "black pebbled-grain material with shiny, coated appearance suggesting faux\/PU leather; soft slouchy drape, no glove-tanned patina visible",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "top-edge stitching barely visible in photo 1-4; detail not legible, no assessment of thread match or evenness",
                    "strap_construction": "double flat black shoulder straps attached via short gold-tone chain segments to front\/back eyelets; full length, buckles, and fold points not shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo - no creed, wordmark, hangtag, or solid-brass turnlock to decode era or style",
                    "Construction - plated chain hardware, synthetic-looking pebbled material, magnetic snap, slouchy chain tote silhouette - is inconsistent with 1970s-1990s unlined glove-tanned Coach classics",
                    "Modern fast-fashion tote profile; matches generic non-Coach secondhand leatherette tote segment, not a catalog Coach model",
                    "Condition: Good exterior only based on photo 1-4 - surface intact with creasing\/slouch, no corners\/bottom\/interior shown so grade capped and lining unknown"
                ],
                "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": 24216,
            "output_tokens": 786,
            "total_tokens": 25002,
            "estimated_cost_usd": 0.011573
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 25184,
            "output_tokens": 1268,
            "total_tokens": 26452,
            "estimated_cost_usd": 0.006051
        }
    ]
}