Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.48,
    "vintage_probability": 0.59,
    "authenticity_confidence": 0.38,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.48,
    "confidence": 0.625,
    "recommended_max_bid": 40,
    "estimated_resale_low": 40,
    "estimated_resale_high": 95,
    "possible_models": [
        "Crescent crossbody (style number not visible)",
        "Ergo Hobo (9226)",
        "Mini Hobo (9211)"
    ],
    "positive_evidence": [
        "photo 1: Structured crescent-shaped brown leather crossbody with stitched construction, broadly compatible with vintage Coach silhouettes.",
        "photos 1, 5, 6: Gold-tone detachable strap clips and dogleash-style hardware resemble hardware used on some vintage Coach bags.",
        "photos 1, 2, 4: Leather has a worn, natural-looking surface and patina consistent with older leather goods.",
        "photo 3: Interior zipper pull and construction appear substantial, although no brand marking is legible.",
        "photo 1, photo 2: crescent zip-top hobo silhouette with center seam matching late-1990s Coach Ergo\/Mini Hobo types",
        "photo 1, photo 2, photo 5, photo 6: solid brass-tone dogleash strap clips of correct type for 1990s Coach",
        "photo 1, photo 4: smooth tan glove-tanned-like leather with baseball-glove patina and natural wrinkling",
        "photo 3: small rectangular leather patch on interior back wall consistent in placement with Coach creed patch, plus metal zip pull consistent with YKK-era Coach"
    ],
    "negative_evidence": [
        "photo 3: Interior appears fabric-lined, while many classic 1970s\u2013early-1990s Coach glove-tanned styles were unlined suede-backed leather.",
        "photos 1\u20136: No legible Coach wordmark, creed, serial\/style number, hangtag, or horse-and-carriage is visible.",
        "photos 5\u20136: Hardware and silhouette are not uniquely Coach and could belong to an unbranded vintage leather bag.",
        "seller text: Seller only says the bag resembles Coach; this is weak, unverified evidence.",
        "photo 1-6: no legible COACH wordmark, horse-and-carriage, or creed text visible",
        "photo 3: dark fabric lining, not unlined suede-back glove-tanned classic interior",
        "photo 1-6: no turnlock and no hangtag visible",
        "photo 3-6: no readable serial\/style number"
    ],
    "missing_information": [
        "Straight-on close-up of the entire interior back wall and all pockets to check for a sewn creed patch.",
        "Close-up of every interior label, fabric tag, zipper pull, and hardware engraving.",
        "Clear photo of the bottom, both sides, strap ends, and all four corners.",
        "Seller-stated country of manufacture, if any, and whether a removable hangtag or other tag is included.",
        "Exact dimensions including depth and strap drop.",
        "photo 3: creed-like patch visible on interior back wall but text illegible - need straight-on creed close-up in raking light",
        "photo 3: zipper pull stamp and interior pocket fabric tag not legible - need hardware macro",
        "photo 3: only one interior view - need emptied interior wall\/pocket views and Made-in line",
        "no hangtag views - confirm if leather hangtag present"
    ],
    "authenticity_concerns": [
        "No brand identifiers are visible, so Coach manufacture cannot be established from these photos.",
        "The fabric-lined interior may be inconsistent with a classic unlined vintage Coach crescent or other early glove-tanned style, though later Coach styles and other makers also used fabric linings.",
        "The visible hardware is compatible with Coach but is also common on unbranded vintage leather bags."
    ],
    "possible_model_reasoning": [
        "The crescent silhouette could resemble a vintage Coach Crescent-style crossbody, but no verified Coach style number or identifier is visible.",
        "The detachable dogleash-style hardware is supportive but not exclusive to Coach; the fabric lining and absence of a creed limit the model and era assessment.",
        "Condition: Good; visible scratches, creasing, edge wear, and surface discoloration are present in photos 1, 2, 4, 5, and 6. Interior appears usable in photo 3, but odor, mold, and hidden lining damage cannot be assessed.",
        "10x8 in seller-stated size and crescent zip-top with detachable dogleash strap fits Ergo Hobo (9226) and Mini Hobo (9211) late-1990s Soho\/Ergo family; fabric lining and zip top point to 1994-2003 rather than 1980s unlined classics",
        "no serial decode possible because number not_visible in photos; era from construction only",
        "Condition: Very Good; light surface scratches and edge wear (photo 1, photo 2), bottom intact (photo 4), interior appears clean (photo 3) but interior fully not shown so cap at Very Good"
    ],
    "estimated_era": "unknown",
    "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": "Gold-tone strap rings, swivel clips, and dogleash-style attachments are visible in photos 1, 5, and 6; no legible brand engraving is visible.",
        "leather_description": "Brown smooth leather with visible creasing, scratches, edge wear, and patina; appears genuine leather but exact tannage is not determinable from photos.",
        "lining_description": "Dark fabric lining is visible in photo 3; exact material and condition are not fully assessable.",
        "strap_construction": "Long adjustable leather strap with stitched edges and metal swivel clips at both ends, visible in photos 1, 5, and 6.",
        "stitching_description": "Visible perimeter and central stitching is generally even, with some wear and discoloration at edges; close-up stress-point construction is limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0059,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.38,
                "vintage_probability": 0.58,
                "authenticity_confidence": 0.31,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.38,
                "estimated_era": "unknown",
                "possible_models": [
                    "Crescent crossbody (style number not visible)"
                ],
                "positive_evidence": [
                    "photo 1: Structured crescent-shaped brown leather crossbody with stitched construction, broadly compatible with vintage Coach silhouettes.",
                    "photos 1, 5, 6: Gold-tone detachable strap clips and dogleash-style hardware resemble hardware used on some vintage Coach bags.",
                    "photos 1, 2, 4: Leather has a worn, natural-looking surface and patina consistent with older leather goods.",
                    "photo 3: Interior zipper pull and construction appear substantial, although no brand marking is legible."
                ],
                "negative_evidence": [
                    "photo 3: Interior appears fabric-lined, while many classic 1970s\u2013early-1990s Coach glove-tanned styles were unlined suede-backed leather.",
                    "photos 1\u20136: No legible Coach wordmark, creed, serial\/style number, hangtag, or horse-and-carriage is visible.",
                    "photos 5\u20136: Hardware and silhouette are not uniquely Coach and could belong to an unbranded vintage leather bag.",
                    "seller text: Seller only says the bag resembles Coach; this is weak, unverified evidence."
                ],
                "missing_information": [
                    "Straight-on close-up of the entire interior back wall and all pockets to check for a sewn creed patch.",
                    "Close-up of every interior label, fabric tag, zipper pull, and hardware engraving.",
                    "Clear photo of the bottom, both sides, strap ends, and all four corners.",
                    "Seller-stated country of manufacture, if any, and whether a removable hangtag or other tag is included.",
                    "Exact dimensions including depth and strap drop."
                ],
                "authenticity_concerns": [
                    "No brand identifiers are visible, so Coach manufacture cannot be established from these photos.",
                    "The fabric-lined interior may be inconsistent with a classic unlined vintage Coach crescent or other early glove-tanned style, though later Coach styles and other makers also used fabric linings.",
                    "The visible hardware is compatible with Coach but is also common on unbranded vintage leather bags."
                ],
                "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": "Gold-tone strap rings, swivel clips, and dogleash-style attachments are visible in photos 1, 5, and 6; no legible brand engraving is visible.",
                    "leather_description": "Brown smooth leather with visible creasing, scratches, edge wear, and patina; appears genuine leather but exact tannage is not determinable from photos.",
                    "lining_description": "Dark fabric lining is visible in photo 3; exact material and condition are not fully assessable.",
                    "strap_construction": "Long adjustable leather strap with stitched edges and metal swivel clips at both ends, visible in photos 1, 5, and 6.",
                    "stitching_description": "Visible perimeter and central stitching is generally even, with some wear and discoloration at edges; close-up stress-point construction is limited."
                },
                "possible_model_reasoning": [
                    "The crescent silhouette could resemble a vintage Coach Crescent-style crossbody, but no verified Coach style number or identifier is visible.",
                    "The detachable dogleash-style hardware is supportive but not exclusive to Coach; the fabric lining and absence of a creed limit the model and era assessment.",
                    "Condition: Good; visible scratches, creasing, edge wear, and surface discoloration are present in photos 1, 2, 4, 5, and 6. Interior appears usable in photo 3, but odor, mold, and hidden lining damage cannot be assessed."
                ],
                "confidence": 0.7,
                "recommended_max_bid": null,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.45,
                "coach_probability": 0.58,
                "confidence": 0.55,
                "estimated_era": "1994-2003",
                "estimated_resale_high": 130,
                "estimated_resale_low": 60,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 3: creed-like patch visible on interior back wall but text illegible - need straight-on creed close-up in raking light",
                    "photo 3: zipper pull stamp and interior pocket fabric tag not legible - need hardware macro",
                    "photo 3: only one interior view - need emptied interior wall\/pocket views and Made-in line",
                    "no hangtag views - confirm if leather hangtag present"
                ],
                "negative_evidence": [
                    "photo 1-6: no legible COACH wordmark, horse-and-carriage, or creed text visible",
                    "photo 3: dark fabric lining, not unlined suede-back glove-tanned classic interior",
                    "photo 1-6: no turnlock and no hangtag visible",
                    "photo 3-6: no readable serial\/style number"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": true,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone dogleash\/swivel clips at strap ends (photo 5, photo 6); top zip with leather tab and metal pull appearing stamped (photo 3) but brand not legible; tone consistent brass",
                    "leather_description": "medium tan-brown smooth leather with soft sheen and patina, surface scratches and light wear (photo 1, photo 2); bottom shows grain\/wrinkling (photo 4); consistent with glove-tanned cowhide but texture not definitive in these photos",
                    "lining_description": "dark brown fabric lining with zip pocket (photo 3); not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-matched even stitching around top edge and center seam (photo 1) and bottom (photo 4); no mismatched thread visible",
                    "strap_construction": "thin detachable crossbody strap with dogleash clips at both ends (photo 1, photo 2, photo 5, photo 6)",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1, photo 2: crescent zip-top hobo silhouette with center seam matching late-1990s Coach Ergo\/Mini Hobo types",
                    "photo 1, photo 2, photo 5, photo 6: solid brass-tone dogleash strap clips of correct type for 1990s Coach",
                    "photo 1, photo 4: smooth tan glove-tanned-like leather with baseball-glove patina and natural wrinkling",
                    "photo 3: small rectangular leather patch on interior back wall consistent in placement with Coach creed patch, plus metal zip pull consistent with YKK-era Coach"
                ],
                "possible_model_reasoning": [
                    "10x8 in seller-stated size and crescent zip-top with detachable dogleash strap fits Ergo Hobo (9226) and Mini Hobo (9211) late-1990s Soho\/Ergo family; fabric lining and zip top point to 1994-2003 rather than 1980s unlined classics",
                    "no serial decode possible because number not_visible in photos; era from construction only",
                    "Condition: Very Good; light surface scratches and edge wear (photo 1, photo 2), bottom intact (photo 4), interior appears clean (photo 3) but interior fully not shown so cap at Very Good"
                ],
                "possible_models": [
                    "Ergo Hobo (9226)",
                    "Mini Hobo (9211)"
                ],
                "recommended_max_bid": 40,
                "seller_misidentification_probability": 0.58,
                "vintage_probability": 0.6
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18078,
            "output_tokens": 1002,
            "total_tokens": 19080,
            "estimated_cost_usd": 0.009636
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18627,
            "output_tokens": 1803,
            "total_tokens": 20430,
            "estimated_cost_usd": 0.005168
        }
    ]
}