Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.045,
    "vintage_probability": 0.24,
    "authenticity_confidence": 0.035,
    "image_quality_score": 0.64,
    "seller_misidentification_probability": 0.065,
    "confidence": 0.705,
    "recommended_max_bid": 9,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 2: leather handbag with structured satchel shape and two handles",
        "photo 1: interior appears to have a zippered compartment and slip pocket"
    ],
    "negative_evidence": [
        "photo 1: no visible Coach creed patch, wordmark, or horse-and-carriage identifier",
        "photo 1: interior is fabric-lined rather than the unlined suede-backed interior typical of many vintage Coach classics",
        "photo 2: silver-tone hardware and the overall structured satchel construction do not strongly match the documented vintage Coach classic silhouettes",
        "photo 3: pebbled leather and metal feet are generic and are not Coach-specific evidence",
        "listing text: seller only states 'Vintage leather purse' and provides no Coach-specific information",
        "photo 1: fully fabric-lined interior with zip pocket and slip pockets, not unlined suede-back glove-tanned classic interior",
        "photo 1: no creed patch visible on interior back wall or slip pocket where Coach creed would sit",
        "photo 2: zip-top double-handle satchel\/bowler silhouette with no flap\/turnlock, not matching 1970s-1990s Coach classics",
        "photo 2 and photo 3: bright gold-tone plated hardware and base feet, not vintage solid brass with patina",
        "photo 2 and photo 3: no COACH wordmark, horse-and-carriage, or leather hangtag visible"
    ],
    "missing_information": [
        "Straight-on photo of every interior wall and pocket, especially any leather creed patch or fabric label",
        "Close-up photos of all zipper pulls, hardware, handles, strap attachments, and any interior or exterior branding",
        "Front, back, side, and full bottom views in sharper, brighter lighting",
        "Seller-stated dimensions, country-of-origin markings, and any visible brand or style tag",
        "photo 1: interior shows no creed patch - need straight-on creed\/interior wall check to confirm absence",
        "photo 2: no hangtag, wordmark, or turnlock visible - need hardware close-ups and hangtag views",
        "photo 2: front only - need back, side views and scale\/dimensions"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible in the provided photos; the bag currently reads as a generic leather satchel rather than a recognizable Coach model",
        "The fabric-lined interior and silver-tone hardware are not a strong fit for a classic vintage Coach glove-tanned handbag, though they are not independently conclusive"
    ],
    "possible_model_reasoning": [
        "The structured two-handle satchel does not closely match the listed classic Coach models based on the visible closure, handle attachments, and lining; no Coach model is proposed.",
        "Condition: Good; front has visible creasing\/discoloration (photo 2), interior has light soiling and wear (photo 1), and the bottom shows minor marks (photo 3).",
        "No Coach identifier visible in any photo - no creed, serial, wordmark, carriage, or hangtag - so no catalog style fits",
        "Silhouette is zip-top double-handle satchel with fabric lining and plated feet, inconsistent with unlined brass-turnlock classics like City Bag, Court, Station, Willis",
        "Condition: Good; photo 1 shows interior staining\/spots, photo 2 shows surface scuffs and sheen wear, photo 3 shows bottom scuffs; bottom corners intact but no interior creed view caps grade"
    ],
    "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 hardware and zipper pulls; photo 2: small metal handle attachments; photo 3: four visible metal feet; no Coach engraving is legible",
        "leather_description": "photos 2-3: tan\/beige pebbled leather or leather-like material with smooth rolled edges; visible creasing and discoloration on the front",
        "lining_description": "photo 1: taupe fabric lining with a zippered interior compartment and slip pocket; interior shows wrinkles and light soiling",
        "strap_construction": "photo 2: two fixed rolled top handles attached with stitched leather tabs; no detachable shoulder strap is clearly visible",
        "stitching_description": "photos 1-3: visible machine stitching appears generally even; no distinctive Coach construction feature is legible"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0038,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.06,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.04,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 2: leather handbag with structured satchel shape and two handles",
                    "photo 1: interior appears to have a zippered compartment and slip pocket"
                ],
                "negative_evidence": [
                    "photo 1: no visible Coach creed patch, wordmark, or horse-and-carriage identifier",
                    "photo 1: interior is fabric-lined rather than the unlined suede-backed interior typical of many vintage Coach classics",
                    "photo 2: silver-tone hardware and the overall structured satchel construction do not strongly match the documented vintage Coach classic silhouettes",
                    "photo 3: pebbled leather and metal feet are generic and are not Coach-specific evidence",
                    "listing text: seller only states 'Vintage leather purse' and provides no Coach-specific information"
                ],
                "missing_information": [
                    "Straight-on photo of every interior wall and pocket, especially any leather creed patch or fabric label",
                    "Close-up photos of all zipper pulls, hardware, handles, strap attachments, and any interior or exterior branding",
                    "Front, back, side, and full bottom views in sharper, brighter lighting",
                    "Seller-stated dimensions, country-of-origin markings, and any visible brand or style tag"
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible in the provided photos; the bag currently reads as a generic leather satchel rather than a recognizable Coach model",
                    "The fabric-lined interior and silver-tone hardware are not a strong fit for a classic vintage Coach glove-tanned handbag, though they are not independently conclusive"
                ],
                "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 hardware and zipper pulls; photo 2: small metal handle attachments; photo 3: four visible metal feet; no Coach engraving is legible",
                    "leather_description": "photos 2-3: tan\/beige pebbled leather or leather-like material with smooth rolled edges; visible creasing and discoloration on the front",
                    "lining_description": "photo 1: taupe fabric lining with a zippered interior compartment and slip pocket; interior shows wrinkles and light soiling",
                    "strap_construction": "photo 2: two fixed rolled top handles attached with stitched leather tabs; no detachable shoulder strap is clearly visible",
                    "stitching_description": "photos 1-3: visible machine stitching appears generally even; no distinctive Coach construction feature is legible"
                },
                "possible_model_reasoning": [
                    "The structured two-handle satchel does not closely match the listed classic Coach models based on the visible closure, handle attachments, and lining; no Coach model is proposed.",
                    "Condition: Good; front has visible creasing\/discoloration (photo 2), interior has light soiling and wear (photo 1), and the bottom shows minor marks (photo 3)."
                ],
                "confidence": 0.76,
                "recommended_max_bid": 8,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.65,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.5,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo 1: interior shows no creed patch - need straight-on creed\/interior wall check to confirm absence",
                    "photo 2: no hangtag, wordmark, or turnlock visible - need hardware close-ups and hangtag views",
                    "photo 2: front only - need back, side views and scale\/dimensions"
                ],
                "negative_evidence": [
                    "photo 1: fully fabric-lined interior with zip pocket and slip pockets, not unlined suede-back glove-tanned classic interior",
                    "photo 1: no creed patch visible on interior back wall or slip pocket where Coach creed would sit",
                    "photo 2: zip-top double-handle satchel\/bowler silhouette with no flap\/turnlock, not matching 1970s-1990s Coach classics",
                    "photo 2 and photo 3: bright gold-tone plated hardware and base feet, not vintage solid brass with patina",
                    "photo 2 and photo 3: no COACH wordmark, horse-and-carriage, or leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone metal top-handle rings and bottom feet in photo 2 and photo 3; bright plated appearance, no COACH engraving visible",
                    "leather_description": "tan\/beige smooth to lightly grained leather in photo 2 and photo 3 with sheen, not matte glove-tanned full-grain with natural scars\/veins",
                    "lining_description": "beige\/tan fabric lining in photo 1 with interior zip pocket and slip pockets",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "light-colored contrast stitching visible around handle tabs in photo 2 and around top zip in photo 1, even but not tone-matched vintage Coach style",
                    "strap_construction": "two short rolled top handles attached via metal rings to stitched leather tabs in photo 2; no detachable crossbody strap or dogleash clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo - no creed, serial, wordmark, carriage, or hangtag - so no catalog style fits",
                    "Silhouette is zip-top double-handle satchel with fabric lining and plated feet, inconsistent with unlined brass-turnlock classics like City Bag, Court, Station, Willis",
                    "Condition: Good; photo 1 shows interior staining\/spots, photo 2 shows surface scuffs and sheen wear, photo 3 shows bottom scuffs; bottom corners intact but no interior creed view caps grade"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.3
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 830,
            "total_tokens": 17209,
            "estimated_cost_usd": 0.008544
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16687,
            "output_tokens": 1316,
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}