Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.04,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.04,
    "image_quality_score": 0.765,
    "seller_misidentification_probability": 0.045,
    "confidence": 0.79,
    "recommended_max_bid": 15,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a structured handbag with two long handles and a top zipper.",
        "photo 1: Exterior appears to be pebbled black leather or leather-like material.",
        "photo 1: leather-appearing pebbled handbag in black, a common Coach color",
        "photo 6: small dark rectangular interior label-like patch near zip pocket, but text illegible so not countable as Coach identifier"
    ],
    "negative_evidence": [
        "photo 1: No Coach wordmark, horse-and-carriage mark, hangtag, or other visible Coach branding.",
        "photo 2: Interior is fabric-lined and shows no visible creed patch or Coach label.",
        "photo 6: Interior appears to use a modern synthetic lining and silver-tone zipper hardware, unlike the unlined glove-tanned construction of many classic vintage Coach bags.",
        "photo 5: Silver-tone rectangular hardware and a generic side-pocket design do not correspond clearly to a known vintage Coach silhouette.",
        "photo 1: The clean minimalist Boston\/bowling-bag design and long thin handles are consistent with a contemporary unbranded bag.",
        "photo 1-5: no COACH wordmark, horse-and-carriage, creed patch, or hangtag legibly visible",
        "photo 2,3,6: silver-tone zipper and rectangular bottom feet - not solid brass vintage Coach hardware",
        "photo 2,6: black fabric lining with zip pocket - vintage glove-tanned classics are unlined suede-back, not fabric-lined",
        "photo 1,3,4: zip-top bowling\/Boston silhouette with thin long fixed shoulder straps - does not match catalog classic turnlock flap silhouettes (Willis, Court, Station, City Bag, Dinky)",
        "photo 1,5,6: uniform pebbled grain with finished edges - not matte glove-tanned with natural scars\/veins and raw interior edges"
    ],
    "missing_information": [
        "Straight-on close-up of every interior wall and pocket seam to confirm no hidden creed or fabric label.",
        "Close-up photographs of all zipper pulls and hardware for any markings.",
        "Bottom, corners, handle attachments, and full interior emptied of contents.",
        "Material tag or care label, if present.",
        "photo 6: small dark interior label\/tag near zip pocket is illegible - need straight-on raking-light close-up to read any brand\/creed text",
        "photo 6: zipper pull brand stamp not legible - need hardware close-up",
        "no exterior back\/bottom corner close-ups beyond photo 5 bottom view; no hangtag views"
    ],
    "authenticity_concerns": [
        "The bag lacks any visible Coach identifier and has a generic modern construction, making a Coach attribution unlikely rather than merely unverified.",
        "A fabric-lined bag with silver-tone hardware is inconsistent with the typical construction of many 1970s\u20131990s vintage Coach classics."
    ],
    "possible_model_reasoning": [
        "The 31 x 20 x 12 cm dimensions shown in photo 4 and the zip-top bowling\/boston silhouette do not clearly match a documented vintage Coach classic model.",
        "No Coach model is proposed because the visible construction and lack of identifiers support an unbranded contemporary bag.",
        "Condition appears Very Good from the available photos: exterior appears clean with no obvious major wear, but the bottom, corners, hardware function, odor, and hidden interior areas are not fully assessed.",
        "No Coach model fits: zip-top Boston\/bowling shape, silver hardware, fabric lining, and fixed thin straps are inconsistent with vintage turnlock flap classics and with documented modern Coach bowling styles without identifiers",
        "Condition: Like New \/ Mint based on clean exterior, uniform grain, no corner wear visible (photo 1,5), clean fabric interior (photo 6); capped because hardware stamps, label text, and all corners not shown in close-up"
    ],
    "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: Silver-tone zipper teeth and small silver-tone zipper pulls are visible; no readable branding. photo 5: Small rectangular silver-tone hardware is visible on the side pockets.",
        "leather_description": "photo 1: Black pebbled exterior material is visible; whether it is genuine leather cannot be established from the photos.",
        "lining_description": "photos 2 and 7: Black fabric lining is visible, including an interior zip pocket; no Coach creed or label is visible.",
        "strap_construction": "photos 1 and 4: Two thin, fixed rolled or folded handles are attached directly to the upper front and back panels; no detachable crossbody strap is visible.",
        "stitching_description": "photos 1, 5, and 7: Generally even black stitching and bound seams are visible; close-up stress-point inspection is limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0026,
    "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": 0.88,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a structured handbag with two long handles and a top zipper.",
                    "photo 1: Exterior appears to be pebbled black leather or leather-like material."
                ],
                "negative_evidence": [
                    "photo 1: No Coach wordmark, horse-and-carriage mark, hangtag, or other visible Coach branding.",
                    "photo 2: Interior is fabric-lined and shows no visible creed patch or Coach label.",
                    "photo 6: Interior appears to use a modern synthetic lining and silver-tone zipper hardware, unlike the unlined glove-tanned construction of many classic vintage Coach bags.",
                    "photo 5: Silver-tone rectangular hardware and a generic side-pocket design do not correspond clearly to a known vintage Coach silhouette.",
                    "photo 1: The clean minimalist Boston\/bowling-bag design and long thin handles are consistent with a contemporary unbranded bag."
                ],
                "missing_information": [
                    "Straight-on close-up of every interior wall and pocket seam to confirm no hidden creed or fabric label.",
                    "Close-up photographs of all zipper pulls and hardware for any markings.",
                    "Bottom, corners, handle attachments, and full interior emptied of contents.",
                    "Material tag or care label, if present."
                ],
                "authenticity_concerns": [
                    "The bag lacks any visible Coach identifier and has a generic modern construction, making a Coach attribution unlikely rather than merely unverified.",
                    "A fabric-lined bag with silver-tone hardware is inconsistent with the typical construction of many 1970s\u20131990s vintage Coach classics."
                ],
                "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: Silver-tone zipper teeth and small silver-tone zipper pulls are visible; no readable branding. photo 5: Small rectangular silver-tone hardware is visible on the side pockets.",
                    "leather_description": "photo 1: Black pebbled exterior material is visible; whether it is genuine leather cannot be established from the photos.",
                    "lining_description": "photos 2 and 7: Black fabric lining is visible, including an interior zip pocket; no Coach creed or label is visible.",
                    "strap_construction": "photos 1 and 4: Two thin, fixed rolled or folded handles are attached directly to the upper front and back panels; no detachable crossbody strap is visible.",
                    "stitching_description": "photos 1, 5, and 7: Generally even black stitching and bound seams are visible; close-up stress-point inspection is limited."
                },
                "possible_model_reasoning": [
                    "The 31 x 20 x 12 cm dimensions shown in photo 4 and the zip-top bowling\/boston silhouette do not clearly match a documented vintage Coach classic model.",
                    "No Coach model is proposed because the visible construction and lack of identifiers support an unbranded contemporary bag.",
                    "Condition appears Very Good from the available photos: exterior appears clean with no obvious major wear, but the bottom, corners, hardware function, odor, and hidden interior areas are not fully assessed."
                ],
                "confidence": 0.86,
                "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": 0.05,
                "coach_probability": 0.05,
                "confidence": 0.72,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 40,
                "estimated_resale_low": 20,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 6: small dark interior label\/tag near zip pocket is illegible - need straight-on raking-light close-up to read any brand\/creed text",
                    "photo 6: zipper pull brand stamp not legible - need hardware close-up",
                    "no exterior back\/bottom corner close-ups beyond photo 5 bottom view; no hangtag views"
                ],
                "negative_evidence": [
                    "photo 1-5: no COACH wordmark, horse-and-carriage, creed patch, or hangtag legibly visible",
                    "photo 2,3,6: silver-tone zipper and rectangular bottom feet - not solid brass vintage Coach hardware",
                    "photo 2,6: black fabric lining with zip pocket - vintage glove-tanned classics are unlined suede-back, not fabric-lined",
                    "photo 1,3,4: zip-top bowling\/Boston silhouette with thin long fixed shoulder straps - does not match catalog classic turnlock flap silhouettes (Willis, Court, Station, City Bag, Dinky)",
                    "photo 1,5,6: uniform pebbled grain with finished edges - not matte glove-tanned with natural scars\/veins and raw interior edges"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone metal zipper with small leather pull tab (photo 2,3,6) and four small rectangular silver-tone bottom feet (photo 5); no brass turnlock, buckle, or dogleash clips visible; no engraved branding legible",
                    "leather_description": "black pebbled-grain leather with uniform pebble and low sheen (photo 1,4,5); does not show glove-tanned matte patina, scars or veins",
                    "lining_description": "black fabric lining visible in photo 2 and photo 6 with interior zip pocket; not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "dark even edge stitching along zip perimeter and handle anchors (photo 1,4); no mismatched thread visible but no close-up of stress points",
                    "strap_construction": "dual long thin fixed shoulder straps sewn directly with pointed teardrop anchors (photo 1,4); no buckle adjustment, dogleash clips, or wooden dowel",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: leather-appearing pebbled handbag in black, a common Coach color",
                    "photo 6: small dark rectangular interior label-like patch near zip pocket, but text illegible so not countable as Coach identifier"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: zip-top Boston\/bowling shape, silver hardware, fabric lining, and fixed thin straps are inconsistent with vintage turnlock flap classics and with documented modern Coach bowling styles without identifiers",
                    "Condition: Like New \/ Mint based on clean exterior, uniform grain, no corner wear visible (photo 1,5), clean fabric interior (photo 6); capped because hardware stamps, label text, and all corners not shown in close-up"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
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            "input_tokens": 26501,
            "output_tokens": 811,
            "total_tokens": 27312,
            "estimated_cost_usd": 0.012547
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 27586,
            "output_tokens": 1624,
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            "estimated_cost_usd": 0.006816
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}