Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.13,
    "vintage_probability": 0.46,
    "authenticity_confidence": 0.115,
    "image_quality_score": 0.69,
    "seller_misidentification_probability": 0.13,
    "confidence": 0.665,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a structured brown leather handbag with two handles and a top zipper.",
        "photo 2: Interior appears leather or suede-like and includes a small snap pocket; the construction is compatible with a vintage leather handbag but is not specifically Coach.",
        "photo 2: unlined suede-back interior consistent with vintage glove-tanned construction type",
        "photo 1: solid leather handles and all-leather body, no synthetic or logo print",
        "photo 1: brown leather with natural patina and softening suggestive of age"
    ],
    "negative_evidence": [
        "photo 1: No visible COACH wordmark, horse-and-carriage mark, leather hangtag, or creed patch.",
        "photo 1: Decorative paneling, piping, and handle construction do not provide a recognizable Coach model identifier.",
        "photo 2: No creed patch, serial\/style number, country line, or Coach fabric tag is visible in the interior.",
        "photo 1: Hardware and zipper details are only partially visible and do not show distinctive Coach markings.",
        "photo 1: zip-top tote with dual top handles and decorative vertical straps - no catalog Coach silhouette match",
        "photo 1, photo 2: no COACH wordmark, horse-and-carriage, or creed patch visible",
        "photo 1: no turnlock present, only zip closure",
        "photo 1: contrast dark edge stitching and shaped panel piping not typical of 1970s-1990s Coach classics",
        "photo 2: interior snap pocket with stud closure, no zip pocket or creed on back wall visible"
    ],
    "missing_information": [
        "Straight-on photograph of the entire interior back wall and all interior pockets to check for a creed or fabric tag.",
        "Close-up photographs of the zipper pull, hardware, and handle attachments.",
        "Photographs of the bottom, corners, side panels, and any attached or detached hangtag.",
        "Seller-stated dimensions and a photograph showing scale.",
        "creed patch straight-on in raking light not shown - photo 2 interior shows no creed patch visible",
        "front, back, sides, bottom and corner close-ups not shown",
        "turnlock not applicable - zipper brand stamp and pull detail not shown",
        "hangtag faces and chain not shown - small tag glimpsed photo 1 right edge illegible",
        "hardware tone and engravings not visible",
        "seller-stated dimensions and scale cue missing"
    ],
    "authenticity_concerns": [
        "The bag has no visible Coach identifier and is more consistent with a generic leather handbag than a recognizable Coach style.",
        "The listing's unbranded description is consistent with the available evidence, but brand identity cannot be established from these photos."
    ],
    "possible_model_reasoning": [
        "No Coach model is proposed because no identifier or distinctive Coach silhouette is visible.",
        "The structured zip-top tote shape is generic and is shared by many non-Coach leather handbag brands.",
        "Condition appears Very Good based on intact structure and generally clean interior, with visible creasing and light surface wear in photo 1; odor, mold, and underside condition are unknown.",
        "No Coach identifier visible so no specific style number can be ranked; zip-top dual-handle tote does not match turnlock classics like City Bag (9790), Willis (9927), Court (9870), Station (5130)",
        "Condition: Good to Very Good; leather shows patina and edge wear but no holes visible, interior shows light soiling in photo 2, bottom\/corners\/strap folds not shown so 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": "photo 1: Brown-toned zipper and small metal handle rings are visible; no Coach engraving is legible. Other hardware is not shown clearly.",
        "leather_description": "photo 1: Brown smooth leather or leather-like material with glossy areas, stitched decorative panels, and visible creasing. Exact leather type is not determinable.",
        "lining_description": "photo 2: Interior appears unlined or suede-like brown material with a stitched snap pocket; exact material is not determinable.",
        "strap_construction": "photo 1: Two fixed shoulder handles with stitched attachments and small metal rings; no detachable crossbody strap is visible.",
        "stitching_description": "photo 1: Mostly regular dark contrast stitching outlines the panels and edges, with decorative double-line construction."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0084,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.08,
                "vintage_probability": 0.32,
                "authenticity_confidence": 0.08,
                "image_quality_score": 0.83,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a structured brown leather handbag with two handles and a top zipper.",
                    "photo 2: Interior appears leather or suede-like and includes a small snap pocket; the construction is compatible with a vintage leather handbag but is not specifically Coach."
                ],
                "negative_evidence": [
                    "photo 1: No visible COACH wordmark, horse-and-carriage mark, leather hangtag, or creed patch.",
                    "photo 1: Decorative paneling, piping, and handle construction do not provide a recognizable Coach model identifier.",
                    "photo 2: No creed patch, serial\/style number, country line, or Coach fabric tag is visible in the interior.",
                    "photo 1: Hardware and zipper details are only partially visible and do not show distinctive Coach markings."
                ],
                "missing_information": [
                    "Straight-on photograph of the entire interior back wall and all interior pockets to check for a creed or fabric tag.",
                    "Close-up photographs of the zipper pull, hardware, and handle attachments.",
                    "Photographs of the bottom, corners, side panels, and any attached or detached hangtag.",
                    "Seller-stated dimensions and a photograph showing scale."
                ],
                "authenticity_concerns": [
                    "The bag has no visible Coach identifier and is more consistent with a generic leather handbag than a recognizable Coach style.",
                    "The listing's unbranded description is consistent with the available evidence, but brand identity cannot be established from these photos."
                ],
                "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: Brown-toned zipper and small metal handle rings are visible; no Coach engraving is legible. Other hardware is not shown clearly.",
                    "leather_description": "photo 1: Brown smooth leather or leather-like material with glossy areas, stitched decorative panels, and visible creasing. Exact leather type is not determinable.",
                    "lining_description": "photo 2: Interior appears unlined or suede-like brown material with a stitched snap pocket; exact material is not determinable.",
                    "strap_construction": "photo 1: Two fixed shoulder handles with stitched attachments and small metal rings; no detachable crossbody strap is visible.",
                    "stitching_description": "photo 1: Mostly regular dark contrast stitching outlines the panels and edges, with decorative double-line construction."
                },
                "possible_model_reasoning": [
                    "No Coach model is proposed because no identifier or distinctive Coach silhouette is visible.",
                    "The structured zip-top tote shape is generic and is shared by many non-Coach leather handbag brands.",
                    "Condition appears Very Good based on intact structure and generally clean interior, with visible creasing and light surface wear in photo 1; odor, mold, and underside condition are unknown."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.15,
                "coach_probability": 0.18,
                "confidence": 0.55,
                "estimated_era": "unknown",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "creed patch straight-on in raking light not shown - photo 2 interior shows no creed patch visible",
                    "front, back, sides, bottom and corner close-ups not shown",
                    "turnlock not applicable - zipper brand stamp and pull detail not shown",
                    "hangtag faces and chain not shown - small tag glimpsed photo 1 right edge illegible",
                    "hardware tone and engravings not visible",
                    "seller-stated dimensions and scale cue missing"
                ],
                "negative_evidence": [
                    "photo 1: zip-top tote with dual top handles and decorative vertical straps - no catalog Coach silhouette match",
                    "photo 1, photo 2: no COACH wordmark, horse-and-carriage, or creed patch visible",
                    "photo 1: no turnlock present, only zip closure",
                    "photo 1: contrast dark edge stitching and shaped panel piping not typical of 1970s-1990s Coach classics",
                    "photo 2: interior snap pocket with stud closure, no zip pocket or creed on back wall visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "zip top closure with dark-toned zipper teeth; handle attachment rings; tone and engravings not legible in photos",
                    "leather_description": "medium brown smooth leather with sheen and patina, soft folds visible in photo 1",
                    "lining_description": "unlined suede-like brown interior visible in photo 2, with leather snap pocket on one wall",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "dark contrast stitching around perimeter and vertical straps visible in photo 1",
                    "strap_construction": "two short top handles, stitched and looped through top edge slots, full length and underside not shown",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 2: unlined suede-back interior consistent with vintage glove-tanned construction type",
                    "photo 1: solid leather handles and all-leather body, no synthetic or logo print",
                    "photo 1: brown leather with natural patina and softening suggestive of age"
                ],
                "possible_model_reasoning": [
                    "No Coach identifier visible so no specific style number can be ranked; zip-top dual-handle tote does not match turnlock classics like City Bag (9790), Willis (9927), Court (9870), Station (5130)",
                    "Condition: Good to Very Good; leather shows patina and edge wear but no holes visible, interior shows light soiling in photo 2, bottom\/corners\/strap folds not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.18,
                "vintage_probability": 0.6
            }
        }
    ],
    "_usage": [
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            "output_tokens": 798,
            "total_tokens": 16883,
            "estimated_cost_usd": 0.008349
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}