Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.865,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a handbag with structured body, top handles, and shoulder-carry proportions"
    ],
    "negative_evidence": [
        "photo 1: oversized embossed crocodile\/reptile-look surface is not characteristic of the classic smooth glove-tanned Coach leather population",
        "photo 4: interior appears to use shiny black synthetic fabric lining rather than the unlined suede-back construction of many vintage Coach classics",
        "photo 4: closure appears to be a simple snap rather than a recognizable vintage Coach turnlock or other documented Coach closure",
        "photos 1-5: no legible Coach wordmark, horse-and-carriage emblem, creed patch, serial\/style number, or Coach hangtag is visible",
        "listing text: seller identifies the bag as unbranded and does not provide a Coach model or identifier",
        "photo 4, photo 5: black\/dark synthetic polyester fabric lining, not unlined glove-tanned suede-back leather",
        "photo 1, photo 2, photo 3: embossed basket-weave pattern with high-gloss coated finish, not smooth matte glove-tanned cowhide",
        "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 4, photo 5: magnetic snap closure only, no solid brass turnlock, buckles, or dogleash clips",
        "photo 1, photo 3: soft slouchy tote silhouette with integrated cut-out handles does not match any vintage Coach catalog classic"
    ],
    "missing_information": [
        "photo 4-5: a complete interior-wall and pocket close-up to confirm whether any brand label or creed patch is present",
        "photo 1-3: close-ups of all hardware, zipper pulls, and handle attachments",
        "photo 1-3: bottom corners, side seams, and strap construction in detail",
        "seller-stated material composition, dimensions, and any interior or hardware markings",
        "No creed patch shown in interior photos - request straight-on creed photo to confirm, though none is expected",
        "No hardware close-ups or brand stamps shown",
        "No exterior front\/back full views without distortion"
    ],
    "authenticity_concerns": [
        "The synthetic-looking lining, embossed reptile-look exterior, and simple snap closure are inconsistent with a likely vintage Coach classic.",
        "No Coach identifier is visible in the provided photos; this is more consistent with a generic modern handbag than a Coach bag."
    ],
    "possible_model_reasoning": [
        "The large soft tote silhouette does not closely match a specific documented vintage Coach model, and no Coach identifier supports a model assignment.",
        "photo 3: seller overlay indicates approximately 43 cm width; this supports a modern large tote classification but does not identify the maker.",
        "Condition: approximately Very Good based on the visible clean exterior and intact handles; interior is shown but condition details are limited, and odor or hidden wear cannot be assessed.",
        "No Coach model match: silhouette, embossed synthetic material, fabric lining and magnetic snap are inconsistent with all glove-tanned classics and modern leather lines",
        "Serial decode: none - no number visible",
        "Era reasoning: construction indicates modern fast-fashion tote, hence modern (2000s+), non-Coach",
        "Condition: Like New to Excellent; glossy surface intact, bottom corners clean in photo 2, lining clean in photos 4-5, but full condition grading limited without detailed corner and strap-fold views"
    ],
    "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 4-5: small round snap closure visible; no Coach engraving or other distinctive Coach hardware is legible",
        "leather_description": "photos 1-3: brown glossy embossed reptile\/crocodile-look material with a basket-like surface pattern; material cannot be confirmed as genuine leather",
        "lining_description": "photos 4-5: shiny black fabric lining with gathered\/folded construction; no brand label is legible",
        "strap_construction": "photos 1-3: two attached top handles\/shoulder straps with padded-looking sections and stitched edges; detailed attachment hardware is not clearly visible",
        "stitching_description": "photos 1-5: visible perimeter stitching appears generally even, though small details and stress points are not sufficiently close for authentication assessment"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.001,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "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 handbag with structured body, top handles, and shoulder-carry proportions"
                ],
                "negative_evidence": [
                    "photo 1: oversized embossed crocodile\/reptile-look surface is not characteristic of the classic smooth glove-tanned Coach leather population",
                    "photo 4: interior appears to use shiny black synthetic fabric lining rather than the unlined suede-back construction of many vintage Coach classics",
                    "photo 4: closure appears to be a simple snap rather than a recognizable vintage Coach turnlock or other documented Coach closure",
                    "photos 1-5: no legible Coach wordmark, horse-and-carriage emblem, creed patch, serial\/style number, or Coach hangtag is visible",
                    "listing text: seller identifies the bag as unbranded and does not provide a Coach model or identifier"
                ],
                "missing_information": [
                    "photo 4-5: a complete interior-wall and pocket close-up to confirm whether any brand label or creed patch is present",
                    "photo 1-3: close-ups of all hardware, zipper pulls, and handle attachments",
                    "photo 1-3: bottom corners, side seams, and strap construction in detail",
                    "seller-stated material composition, dimensions, and any interior or hardware markings"
                ],
                "authenticity_concerns": [
                    "The synthetic-looking lining, embossed reptile-look exterior, and simple snap closure are inconsistent with a likely vintage Coach classic.",
                    "No Coach identifier is visible in the provided photos; this is more consistent with a generic modern handbag than a Coach bag."
                ],
                "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 4-5: small round snap closure visible; no Coach engraving or other distinctive Coach hardware is legible",
                    "leather_description": "photos 1-3: brown glossy embossed reptile\/crocodile-look material with a basket-like surface pattern; material cannot be confirmed as genuine leather",
                    "lining_description": "photos 4-5: shiny black fabric lining with gathered\/folded construction; no brand label is legible",
                    "strap_construction": "photos 1-3: two attached top handles\/shoulder straps with padded-looking sections and stitched edges; detailed attachment hardware is not clearly visible",
                    "stitching_description": "photos 1-5: visible perimeter stitching appears generally even, though small details and stress points are not sufficiently close for authentication assessment"
                },
                "possible_model_reasoning": [
                    "The large soft tote silhouette does not closely match a specific documented vintage Coach model, and no Coach identifier supports a model assignment.",
                    "photo 3: seller overlay indicates approximately 43 cm width; this supports a modern large tote classification but does not identify the maker.",
                    "Condition: approximately Very Good based on the visible clean exterior and intact handles; interior is shown but condition details are limited, and odor or hidden wear cannot be assessed."
                ],
                "confidence": 0.88,
                "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": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No creed patch shown in interior photos - request straight-on creed photo to confirm, though none is expected",
                    "No hardware close-ups or brand stamps shown",
                    "No exterior front\/back full views without distortion"
                ],
                "negative_evidence": [
                    "photo 4, photo 5: black\/dark synthetic polyester fabric lining, not unlined glove-tanned suede-back leather",
                    "photo 1, photo 2, photo 3: embossed basket-weave pattern with high-gloss coated finish, not smooth matte glove-tanned cowhide",
                    "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 4, photo 5: magnetic snap closure only, no solid brass turnlock, buckles, or dogleash clips",
                    "photo 1, photo 3: soft slouchy tote silhouette with integrated cut-out handles does not match any vintage Coach catalog classic"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "magnetic snap closure visible in interior photos; no brass turnlock, buckles, D-rings or zipper pulls visible",
                    "leather_description": "brown basket-weave embossed coated material with glossy sheen; appears faux\/synthetic, not glove-tanned full-grain cowhide",
                    "lining_description": "dark brown\/black synthetic polyester fabric lining with sewn slip pocket visible in photo 5",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "topstitched edge stitching on handles visible; general body stitching not clearly legible",
                    "strap_construction": "short fixed top handles integrated with tote body, padded handle wraps",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model match: silhouette, embossed synthetic material, fabric lining and magnetic snap are inconsistent with all glove-tanned classics and modern leather lines",
                    "Serial decode: none - no number visible",
                    "Era reasoning: construction indicates modern fast-fashion tote, hence modern (2000s+), non-Coach",
                    "Condition: Like New to Excellent; glossy surface intact, bottom corners clean in photo 2, lining clean in photos 4-5, but full condition grading limited without detailed corner and strap-fold views"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17594,
            "output_tokens": 791,
            "total_tokens": 18385,
            "estimated_cost_usd": 0.008936
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18101,
            "output_tokens": 1282,
            "total_tokens": 19383,
            "estimated_cost_usd": 0.004646
        }
    ]
}