Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.045,
    "vintage_probability": 0.25,
    "authenticity_confidence": 0.035,
    "image_quality_score": 0.555,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.685,
    "recommended_max_bid": 9,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Leather-like brown handbag with a vintage kisslock frame and shoulder strap.",
        "photo 2: Interior appears to have a zippered compartment and fabric lining.",
        "photo 1: leather-like handbag with shoulder strap, the population where misidentified bags hide, but no Coach-specific detail"
    ],
    "negative_evidence": [
        "photo 1: No visible COACH wordmark, horse-and-carriage, creed patch, or leather hangtag.",
        "photo 1: Bright silver-tone frame hardware and kisslock construction do not resemble the solid brass hardware typical of many classic vintage Coach styles.",
        "photo 1: Front has prominent geometric stitched paneling rather than a recognizable Coach classic silhouette.",
        "photo 2: Interior is fabric-lined and no Coach identifier is visible.",
        "Listing title and description do not provide a verifiable brand or model.",
        "photo 1: kisslock frame closure with dark gunmetal-tone hardware, not Coach solid-brass turnlock geometry",
        "photo 1: contrast light stitching on brown body, not tone-matched tight Coach stitching",
        "photo 2: dark fabric lining visible, not unlined suede-back glove-tanned leather of vintage classics",
        "photo 1-2: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1: thin crossbody strap with dark metal clips, not brass dogleash \/ buckle-adjust Coach strap"
    ],
    "missing_information": [
        "Straight-on interior back-wall and pocket photos to check for a creed or brand label.",
        "Close-up photos of all interior labels, zipper pulls, and hardware.",
        "Photos of the back, bottom, side seams, strap attachments, and any hangtag.",
        "Seller-stated dimensions, material composition, and country-of-origin information.",
        "photo 2 is blurry and no creed patch \/ interior wall clearly shown - need straight-on interior and any stamped patch or fabric tags",
        "no hardware brand stamps shown - need close-up of frame, clasps and zipper pulls",
        "no bottom, back, side views to assess wear and construction",
        "no hangtag or wordmark close-up",
        "seller-stated dimensions and material not provided"
    ],
    "authenticity_concerns": [
        "The visible construction is more consistent with a generic vintage-style frame bag than with a Coach handbag.",
        "No Coach identifier is visible in the provided photos; silhouette alone is insufficient for attribution."
    ],
    "possible_model_reasoning": [
        "The kisslock frame and geometric stitched exterior do not closely match the listed classic Coach models; no Coach model is proposed.",
        "The visible silver-tone hardware and fabric lining lean toward a generic vintage-style or non-Coach handbag.",
        "Condition: Good to Very Good; visible creasing and surface wear are present, while corners, underside, and complete interior condition are not adequately shown.",
        "No Coach catalog silhouette match: kisslock frame crossbody with center seam and contrast stitching does not match City Bag, Willis, Court, Station, Dinky or other classics",
        "No identifiers to decode for era; construction (dark plated frame, fabric lining, contrast stitching) points to modern non-Coach fast-fashion",
        "Condition: Good to Very Good by photos - exterior shows no major wear in photo 1, interior not assessable due to blur in photo 2 so 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": "photo 1: Shiny silver-tone kisslock frame with rounded ball closures and silver-tone strap hardware; no Coach engraving is legible.",
        "leather_description": "photo 1: Brown leather-like material with visible creasing and stitched geometric paneling; exact leather type is not verifiable.",
        "lining_description": "photo 2: Dark fabric lining is visible, with a zippered interior compartment; label details are not visible.",
        "strap_construction": "photo 1: Narrow matching brown shoulder strap attached at the sides with metal rings\/clips; full length and attachment details are not shown.",
        "stitching_description": "photo 1: Visible contrast-toned stitching outlines the geometric front panels and appears generally even, though fine construction details are limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0063,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.06,
                "vintage_probability": 0.45,
                "authenticity_confidence": 0.04,
                "image_quality_score": 0.61,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Leather-like brown handbag with a vintage kisslock frame and shoulder strap.",
                    "photo 2: Interior appears to have a zippered compartment and fabric lining."
                ],
                "negative_evidence": [
                    "photo 1: No visible COACH wordmark, horse-and-carriage, creed patch, or leather hangtag.",
                    "photo 1: Bright silver-tone frame hardware and kisslock construction do not resemble the solid brass hardware typical of many classic vintage Coach styles.",
                    "photo 1: Front has prominent geometric stitched paneling rather than a recognizable Coach classic silhouette.",
                    "photo 2: Interior is fabric-lined and no Coach identifier is visible.",
                    "Listing title and description do not provide a verifiable brand or model."
                ],
                "missing_information": [
                    "Straight-on interior back-wall and pocket photos to check for a creed or brand label.",
                    "Close-up photos of all interior labels, zipper pulls, and hardware.",
                    "Photos of the back, bottom, side seams, strap attachments, and any hangtag.",
                    "Seller-stated dimensions, material composition, and country-of-origin information."
                ],
                "authenticity_concerns": [
                    "The visible construction is more consistent with a generic vintage-style frame bag than with a Coach handbag.",
                    "No Coach identifier is visible in the provided photos; silhouette alone is insufficient for attribution."
                ],
                "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: Shiny silver-tone kisslock frame with rounded ball closures and silver-tone strap hardware; no Coach engraving is legible.",
                    "leather_description": "photo 1: Brown leather-like material with visible creasing and stitched geometric paneling; exact leather type is not verifiable.",
                    "lining_description": "photo 2: Dark fabric lining is visible, with a zippered interior compartment; label details are not visible.",
                    "strap_construction": "photo 1: Narrow matching brown shoulder strap attached at the sides with metal rings\/clips; full length and attachment details are not shown.",
                    "stitching_description": "photo 1: Visible contrast-toned stitching outlines the geometric front panels and appears generally even, though fine construction details are limited."
                },
                "possible_model_reasoning": [
                    "The kisslock frame and geometric stitched exterior do not closely match the listed classic Coach models; no Coach model is proposed.",
                    "The visible silver-tone hardware and fabric lining lean toward a generic vintage-style or non-Coach handbag.",
                    "Condition: Good to Very Good; visible creasing and surface wear are present, while corners, underside, and complete interior condition are not adequately shown."
                ],
                "confidence": 0.67,
                "recommended_max_bid": 10,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.5,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo 2 is blurry and no creed patch \/ interior wall clearly shown - need straight-on interior and any stamped patch or fabric tags",
                    "no hardware brand stamps shown - need close-up of frame, clasps and zipper pulls",
                    "no bottom, back, side views to assess wear and construction",
                    "no hangtag or wordmark close-up",
                    "seller-stated dimensions and material not provided"
                ],
                "negative_evidence": [
                    "photo 1: kisslock frame closure with dark gunmetal-tone hardware, not Coach solid-brass turnlock geometry",
                    "photo 1: contrast light stitching on brown body, not tone-matched tight Coach stitching",
                    "photo 2: dark fabric lining visible, not unlined suede-back glove-tanned leather of vintage classics",
                    "photo 1-2: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1: thin crossbody strap with dark metal clips, not brass dogleash \/ buckle-adjust Coach strap"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark gunmetal \/ nickel-tone kisslock frame with ball clasps and dark strap clips in photo 1; no brass, no COACH stamping visible",
                    "leather_description": "tan \/ cognac brown smooth material with embossed wrinkled pattern in photo 1; surface sheen and texture not consistent with vintage glove-tanned cowhide",
                    "lining_description": "dark brown\/black fabric lining visible in blurry photo 2; not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrasting off-white stitching along center seam and strap edges visible in photo 1",
                    "strap_construction": "thin flat crossbody strap with contrast edge stitching, attached via dark metal rings\/clips in photo 1",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: leather-like handbag with shoulder strap, the population where misidentified bags hide, but no Coach-specific detail"
                ],
                "possible_model_reasoning": [
                    "No Coach catalog silhouette match: kisslock frame crossbody with center seam and contrast stitching does not match City Bag, Willis, Court, Station, Dinky or other classics",
                    "No identifiers to decode for era; construction (dark plated frame, fabric lining, contrast stitching) points to modern non-Coach fast-fashion",
                    "Condition: Good to Very Good by photos - exterior shows no major wear in photo 1, interior not assessable due to blur in photo 2 so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16081,
            "output_tokens": 719,
            "total_tokens": 16800,
            "estimated_cost_usd": 0.008158
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16452,
            "output_tokens": 1138,
            "total_tokens": 17590,
            "estimated_cost_usd": 0.004201
        }
    ]
}