Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.03,
    "vintage_probability": 0.035,
    "authenticity_confidence": 0.035,
    "image_quality_score": 0.77,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.77,
    "recommended_max_bid": 11,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 47.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather shoulder\/tote-style handbag with a structured body and attached straps",
        "photo 1: visible pebbled leather and substantial stitched construction are compatible with a generic leather handbag",
        "photo 2, photo 5: unlined leather interior with suede back, which is seen on vintage Coach classics but also on many generic leather totes",
        "photo 1-5: 100% leather-appearing tote, so material does not rule out Coach on its own"
    ],
    "negative_evidence": [
        "photo 1: no visible COACH wordmark, horse-and-carriage emblem, hangtag, or recognizable vintage Coach hardware",
        "photos 1 and 4: silver-tone hardware and prominent contrasting white stitching do not resemble the typical solid-brass construction of classic vintage Coach bags",
        "photos 2, 5, and 6: interior appears fabric or suede-like and shows no visible Coach creed patch or serial number",
        "photos 1 and 3: silhouette is a contemporary open tote with long fixed shoulder straps rather than a recognizable classic Coach turnlock model",
        "listing text: seller identifies the item as unbranded and provides no Coach-specific information",
        "photo 1, photo 4: no turnlock, no brass hardware - only small silver-tone side toggles, unlike vintage Coach solid-brass turnlock",
        "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 1, photo 3, photo 4: black pebbled grain leather with white contrast stitching - not vintage Coach smooth glove-tanned with tone-matched stitching",
        "photo 1, photo 2, photo 5: soft unstructured tote with integrated thin shoulder straps and side toggle closure - does not match any catalog classic silhouette (City, Willis, Court, Station, Duffle Sac, etc.)",
        "photo 2, photo 5: unlined suede-like interior with large plain patch pocket but no creed, no zip pocket, no Talon\/YKK zipper"
    ],
    "missing_information": [
        "Straight-on photograph of every interior wall and pocket, including any labels or stamped patches",
        "Close-up photographs of all hardware, closures, strap attachments, and any zipper pulls",
        "Full front, back, side, bottom, and corner views",
        "Seller-stated dimensions and photographs of any exterior or interior branding",
        "photo 2, photo 5: no creed patch visible on interior back wall or pocket - need straight-on raking-light photo of any stamped patch",
        "photo 1-5: no COACH wordmark, hangtag, or hardware stamps visible - need both faces of any tag and hardware close-ups",
        "photo 1-5: no bottom, side, and scale\/dimensions shown"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible in the supplied photographs; the available construction evidence is more consistent with an unbranded modern leather bag than a Coach product"
    ],
    "possible_model_reasoning": [
        "The open-top, pebbled black tote silhouette does not closely match the listed classic vintage Coach styles, which generally have identifiable turnlocks, flap closures, or catalog-specific strap construction.",
        "photo 2: no readable creed or style number is visible, so Coach dating and model matching are not supported.",
        "Condition: approximately Very Good based on the visible intact leather and stitching; the complete bottom, corners, and interior condition are not fully documented.",
        "No Coach model fits: silhouette is an unlined pebbled tote with white contrast stitching, thin integrated straps and side toggles, lacking turnlock, brass, creed and hangtag required for City Bag, Willis, Court, Station, Stewardess, Duffle Sac or other classics",
        "Construction dates as modern non-Coach: pebbled finish, contrast stitching, nickel-tone toggles, and strap attachment are inconsistent with 1970s-1990s glove-tanned solid-brass Coach construction",
        "Condition: Like New to Excellent; photo 1, photo 4 show uniform color, no corner wear visible, straps intact, interior clean in photo 2 and photo 5, but no bottom view 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 2: small silver-tone snap or rivet-like hardware is visible inside; no Coach engraving is visible",
        "leather_description": "photos 1, 3, and 4: black pebbled leather or leather-like material with contrasting white topstitching",
        "lining_description": "photos 2, 5, and 6: dark fabric or suede-like interior; no label or creed is visible",
        "strap_construction": "photos 1, 3, and 4: long fixed black shoulder straps with contrasting white stitching and leather reinforcement at the attachment points",
        "stitching_description": "photos 1, 3, 4, and 5: generally even contrasting white stitching is visible along panels and straps"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0016,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather shoulder\/tote-style handbag with a structured body and attached straps",
                    "photo 1: visible pebbled leather and substantial stitched construction are compatible with a generic leather handbag"
                ],
                "negative_evidence": [
                    "photo 1: no visible COACH wordmark, horse-and-carriage emblem, hangtag, or recognizable vintage Coach hardware",
                    "photos 1 and 4: silver-tone hardware and prominent contrasting white stitching do not resemble the typical solid-brass construction of classic vintage Coach bags",
                    "photos 2, 5, and 6: interior appears fabric or suede-like and shows no visible Coach creed patch or serial number",
                    "photos 1 and 3: silhouette is a contemporary open tote with long fixed shoulder straps rather than a recognizable classic Coach turnlock model",
                    "listing text: seller identifies the item as unbranded and provides no Coach-specific information"
                ],
                "missing_information": [
                    "Straight-on photograph of every interior wall and pocket, including any labels or stamped patches",
                    "Close-up photographs of all hardware, closures, strap attachments, and any zipper pulls",
                    "Full front, back, side, bottom, and corner views",
                    "Seller-stated dimensions and photographs of any exterior or interior branding"
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible in the supplied photographs; the available construction evidence is more consistent with an unbranded modern leather bag than a Coach product"
                ],
                "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 2: small silver-tone snap or rivet-like hardware is visible inside; no Coach engraving is visible",
                    "leather_description": "photos 1, 3, and 4: black pebbled leather or leather-like material with contrasting white topstitching",
                    "lining_description": "photos 2, 5, and 6: dark fabric or suede-like interior; no label or creed is visible",
                    "strap_construction": "photos 1, 3, and 4: long fixed black shoulder straps with contrasting white stitching and leather reinforcement at the attachment points",
                    "stitching_description": "photos 1, 3, 4, and 5: generally even contrasting white stitching is visible along panels and straps"
                },
                "possible_model_reasoning": [
                    "The open-top, pebbled black tote silhouette does not closely match the listed classic vintage Coach styles, which generally have identifiable turnlocks, flap closures, or catalog-specific strap construction.",
                    "photo 2: no readable creed or style number is visible, so Coach dating and model matching are not supported.",
                    "Condition: approximately Very Good based on the visible intact leather and stitching; the complete bottom, corners, and interior condition are not fully documented."
                ],
                "confidence": 0.82,
                "recommended_max_bid": 10,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.04,
                "coach_probability": 0.03,
                "confidence": 0.72,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.68,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo 2, photo 5: no creed patch visible on interior back wall or pocket - need straight-on raking-light photo of any stamped patch",
                    "photo 1-5: no COACH wordmark, hangtag, or hardware stamps visible - need both faces of any tag and hardware close-ups",
                    "photo 1-5: no bottom, side, and scale\/dimensions shown"
                ],
                "negative_evidence": [
                    "photo 1, photo 4: no turnlock, no brass hardware - only small silver-tone side toggles, unlike vintage Coach solid-brass turnlock",
                    "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 1, photo 3, photo 4: black pebbled grain leather with white contrast stitching - not vintage Coach smooth glove-tanned with tone-matched stitching",
                    "photo 1, photo 2, photo 5: soft unstructured tote with integrated thin shoulder straps and side toggle closure - does not match any catalog classic silhouette (City, Willis, Court, Station, Duffle Sac, etc.)",
                    "photo 2, photo 5: unlined suede-like interior with large plain patch pocket but no creed, no zip pocket, no Talon\/YKK zipper"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "only small silver-tone toggle\/bar closures at top sides visible in photo 2 and photo 5; no turnlock, no brass, no buckles, no zipper pulls visible",
                    "leather_description": "black pebbled-grain leather exterior, appears soft; suede-like reverse visible at top edge and interior",
                    "lining_description": "unlined - raw suede side of leather visible in photo 2 and photo 5, black, with large stitched leather patch pocket",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight white contrast stitching along top edge, side seams and straps visible in photo 1, photo 3, photo 4",
                    "strap_construction": "two thin fixed-length shoulder straps integrated into bag body, stitched, no buckle adjustment, no dogleash clips, no dowel",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 2, photo 5: unlined leather interior with suede back, which is seen on vintage Coach classics but also on many generic leather totes",
                    "photo 1-5: 100% leather-appearing tote, so material does not rule out Coach on its own"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette is an unlined pebbled tote with white contrast stitching, thin integrated straps and side toggles, lacking turnlock, brass, creed and hangtag required for City Bag, Willis, Court, Station, Stewardess, Duffle Sac or other classics",
                    "Construction dates as modern non-Coach: pebbled finish, contrast stitching, nickel-tone toggles, and strap attachment are inconsistent with 1970s-1990s glove-tanned solid-brass Coach construction",
                    "Condition: Like New to Excellent; photo 1, photo 4 show uniform color, no corner wear visible, straps intact, interior clean in photo 2 and photo 5, but no bottom view so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 24029,
            "output_tokens": 841,
            "total_tokens": 24870,
            "estimated_cost_usd": 0.01163
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 24817,
            "output_tokens": 1439,
            "total_tokens": 26256,
            "estimated_cost_usd": 0.006115
        }
    ]
}