Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.855,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.945,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a structured handbag with top handles, zipper closure, and removable shoulder strap."
    ],
    "negative_evidence": [
        "photo 1: No visible COACH wordmark, horse-and-carriage, creed patch, or Coach hangtag.",
        "photo 3: Material label explicitly states the bag is 100% PVC with a 100% polyester interior, unlike the leather construction expected of the vintage Coach styles in question.",
        "photo 4: Additional label states Made in China; no Coach identifier is visible.",
        "photos 2, 5, 6: Patterned polyester lining, generic gold-tone hardware, and contemporary structured silhouette do not resemble a documented vintage Coach classic.",
        "photo 3: fabric tag reads BOLSA: 100% PVC INTERIOR: 100% POLYESTER - faux leather, excludes vintage Coach glove-tanned leather",
        "photo 4: tag reads SHELL: 100% PVC LINING: 100% POLYESTER MADE IN CHINA - synthetic construction",
        "photo 1: smooth uniform baby-blue faux-leather with painted\/black edge coat, not glove-tanned cowhide",
        "photo 1, photo 5, photo 6: bright gold-tone plated hardware, thin hollow-feeling rings and zipper, not solid vintage brass",
        "photo 2, photo 5, photo 6: brown polyester lining with printed chain\/tassel\/belt motif and T letter, not unlined suede or Coach lining",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1: structured zip-top satchel silhouette with exterior front zip pocket does not match any classic Coach catalog style"
    ],
    "missing_information": [
        "A full interior photo emptied of contents, although the visible material label already identifies the bag as PVC\/polyester.",
        "Close-ups of all exterior and interior labels if any additional brand marking is suspected.",
        "Bottom, corner, and strap-condition photos for a more complete generic resale assessment.",
        "No Coach creed or leather patch shown - not needed given PVC content tag, but would be required to overturn material disqualification",
        "No bottom, side, or interior zip-pocket detail beyond dustbag and tags"
    ],
    "authenticity_concerns": [
        "photo 3: PVC body and polyester lining are inconsistent with a vintage glove-tanned Coach handbag.",
        "photos 1-6: No Coach identifiers are visible; the bag appears to be a generic modern fashion purse rather than a Coach product."
    ],
    "possible_model_reasoning": [
        "The rectangular top-handle silhouette with multiple zip and slip pockets is a generic modern fashion-bag design, not a sufficiently specific Coach model match.",
        "photo 3's PVC\/material label and photo 4's Made in China label support a modern non-Coach classification.",
        "Condition: Like New\/NWOT based on the seller's listing and clean photos; no obvious wear is visible, though odor and hidden defects cannot be assessed.",
        "Not a Coach model - 100% PVC shell and 100% polyester lining per photos 3-4 disqualify vintage Coach per triage rule; no Coach identifier visible in any photo",
        "Silhouette is modern structured satchel with zip closure and front zip pocket, inconsistent with classic Coach turnlock flap, unlined glove-tanned construction",
        "Condition: New\/NWOT per seller and clean appearance in photo 1; graded as new synthetic fast-fashion bag, not vintage condition scale"
    ],
    "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": "Visible small gold-tone buckles, rings, zipper pulls, and strap clips; no Coach engraving is visible.",
        "leather_description": "photo 3: Label states BOLSA: 100% PVC; the visible smooth blue exterior is synthetic, not leather.",
        "lining_description": "photos 2-4: Brown patterned synthetic lining; photo 3 states INTERIOR: 100% POLYESTER \/ LINING: 100% POLYESTER.",
        "strap_construction": "photos 1 and 5: Removable matching blue shoulder strap with gold-tone clips and adjustment hardware.",
        "stitching_description": "photos 1, 5, and 6: Visible regular contrasting edge stitching; no distinctive Coach construction marker is apparent."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0004,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a structured handbag with top handles, zipper closure, and removable shoulder strap."
                ],
                "negative_evidence": [
                    "photo 1: No visible COACH wordmark, horse-and-carriage, creed patch, or Coach hangtag.",
                    "photo 3: Material label explicitly states the bag is 100% PVC with a 100% polyester interior, unlike the leather construction expected of the vintage Coach styles in question.",
                    "photo 4: Additional label states Made in China; no Coach identifier is visible.",
                    "photos 2, 5, 6: Patterned polyester lining, generic gold-tone hardware, and contemporary structured silhouette do not resemble a documented vintage Coach classic."
                ],
                "missing_information": [
                    "A full interior photo emptied of contents, although the visible material label already identifies the bag as PVC\/polyester.",
                    "Close-ups of all exterior and interior labels if any additional brand marking is suspected.",
                    "Bottom, corner, and strap-condition photos for a more complete generic resale assessment."
                ],
                "authenticity_concerns": [
                    "photo 3: PVC body and polyester lining are inconsistent with a vintage glove-tanned Coach handbag.",
                    "photos 1-6: No Coach identifiers are visible; the bag appears to be a generic modern fashion purse rather 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": "Visible small gold-tone buckles, rings, zipper pulls, and strap clips; no Coach engraving is visible.",
                    "leather_description": "photo 3: Label states BOLSA: 100% PVC; the visible smooth blue exterior is synthetic, not leather.",
                    "lining_description": "photos 2-4: Brown patterned synthetic lining; photo 3 states INTERIOR: 100% POLYESTER \/ LINING: 100% POLYESTER.",
                    "strap_construction": "photos 1 and 5: Removable matching blue shoulder strap with gold-tone clips and adjustment hardware.",
                    "stitching_description": "photos 1, 5, and 6: Visible regular contrasting edge stitching; no distinctive Coach construction marker is apparent."
                },
                "possible_model_reasoning": [
                    "The rectangular top-handle silhouette with multiple zip and slip pockets is a generic modern fashion-bag design, not a sufficiently specific Coach model match.",
                    "photo 3's PVC\/material label and photo 4's Made in China label support a modern non-Coach classification.",
                    "Condition: Like New\/NWOT based on the seller's listing and clean photos; no obvious wear is visible, though odor and hidden defects cannot be assessed."
                ],
                "confidence": 0.94,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.95,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.8,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach creed or leather patch shown - not needed given PVC content tag, but would be required to overturn material disqualification",
                    "No bottom, side, or interior zip-pocket detail beyond dustbag and tags"
                ],
                "negative_evidence": [
                    "photo 3: fabric tag reads BOLSA: 100% PVC INTERIOR: 100% POLYESTER - faux leather, excludes vintage Coach glove-tanned leather",
                    "photo 4: tag reads SHELL: 100% PVC LINING: 100% POLYESTER MADE IN CHINA - synthetic construction",
                    "photo 1: smooth uniform baby-blue faux-leather with painted\/black edge coat, not glove-tanned cowhide",
                    "photo 1, photo 5, photo 6: bright gold-tone plated hardware, thin hollow-feeling rings and zipper, not solid vintage brass",
                    "photo 2, photo 5, photo 6: brown polyester lining with printed chain\/tassel\/belt motif and T letter, not unlined suede or Coach lining",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1: structured zip-top satchel silhouette with exterior front zip pocket does not match any classic Coach catalog style"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated hardware; front exterior zipper with rectangular pull, top-handle anchor rings, detachable strap dogleash clips; thin, shiny, modern plated appearance",
                    "leather_description": "smooth uniform baby-blue 100% PVC faux leather with slight sheen and dark painted edges; not glove-tanned cowhide, no grain, no patina",
                    "lining_description": "brown polyester with all-over printed equestrian chain, belt and tassel motif in tan\/pink; 100% polyester per content tag",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching in matching thread around edges and handles, visible perimeter topstitching",
                    "strap_construction": "two short rolled top handles attached with stitched tabs and gold-tone rings; detachable long crossbody strap with clips shown coiled in photo 1",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a Coach model - 100% PVC shell and 100% polyester lining per photos 3-4 disqualify vintage Coach per triage rule; no Coach identifier visible in any photo",
                    "Silhouette is modern structured satchel with zip closure and front zip pocket, inconsistent with classic Coach turnlock flap, unlined glove-tanned construction",
                    "Condition: New\/NWOT per seller and clean appearance in photo 1; graded as new synthetic fast-fashion bag, not vintage condition scale"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "output_tokens": 849,
            "total_tokens": 18578,
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        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}