Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.025,
    "vintage_probability": 0.22,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.56,
    "seller_misidentification_probability": 0.045,
    "confidence": 0.69,
    "recommended_max_bid": 11,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a structured handbag with handles, interior compartments, zipper pocket, and functioning-looking closure.",
        "photo 1: leather-like exterior and gold-tone hardware are visible.",
        "photo 1: leather handbag with top handles - general bag population where vintage could hide, but no Coach-specific cue"
    ],
    "negative_evidence": [
        "photo 1: fabric-lined, compartmentalized construction and bright gold-tone hardware do not resemble a classic vintage Coach glove-tanned, often unlined construction.",
        "photo 2: the interior stamp appears to show a non-Coach designer\/brand mark rather than a Coach creed or COACH wordmark.",
        "photo 1: the central closure appears to be a rectangular snap\/clasp, not a recognizable vintage Coach turnlock.",
        "photo 1: no Coach hangtag, creed patch, horse-and-carriage mark, or recognizable Coach branding is visible.",
        "photo 2: interior lining clearly stamped LEWIS GENUINE LEATHER in gold - branded non-Coach maker, not Coach wordmark or creed",
        "photo 1: fully fabric-lined interior with center zip divider - inconsistent with unlined suede-back vintage Coach classics",
        "photo 1: rigid frame \/ snap-lock frame construction with dual top handles - not a Coach catalog silhouette like Willis\/Court\/Station\/Dinky",
        "photo 1-2: no Coach creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 1: exterior front, back, sides, bottom, and corners are not shown.",
        "photo 1: full interior wall and all pockets are not shown; any sewn-in brand or care label is unknown.",
        "photo 1: zipper pull, clasp detail, strap attachments, and stitching are not shown close enough for detailed comparison.",
        "photo 2: the interior stamp is blurry and should be photographed straight-on for exact reading.",
        "photo 1: exterior front, back, sides and bottom not shown - shape and corner wear cannot be graded",
        "photo 1: creed patch area not shown - no Coach creed visible, interior back wall\/pocket not isolated",
        "photo 1-2: hardware close-ups of clasps, zipper pull brand stamp and handle attachments not shown",
        "photo 1: full strap\/handle length, underside and attachment hardware only partially visible"
    ],
    "authenticity_concerns": [
        "photo 2: the visible interior marking does not appear to be a Coach creed and appears inconsistent with a Coach handbag.",
        "photo 1: the bright plated-looking hardware and synthetic-looking fabric lining are more consistent with a non-Coach fashion handbag than a vintage Coach classic."
    ],
    "possible_model_reasoning": [
        "The structured silhouette and dimensions stated by the seller do not closely identify a Coach model, and no Coach identifier is visible.",
        "The fabric-lined interior, bright gold-tone fittings, and apparent non-Coach interior stamp favor a generic or other-brand handbag.",
        "Condition: seller states very good; photo 1 shows an apparently clean interior, but exterior corners, bottom, and strap wear are not adequately documented.",
        "No Coach model fits: Lewis-branded fabric-lined frame satchel with snap\/frame lock does not match City Bag (9790), Willis (9927), Court (9870), Station (5130) or other classics in closure, lining and branding",
        "Era reasoning: Lewis branding and fabric lining indicate non-Coach manufacture; age before\/after 2000 cannot be determined from 2 photos, emitted as modern (2000s+), non-Coach",
        "Condition: Very Good per seller text very clean inside and out and photo 1 showing clean lining and intact handles; capped by missing exterior bottom\/corner and close-up 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 1: bright gold-tone rectangular clasp hardware, zipper hardware, and handle\/strap fittings are visible; detailed engravings are not legible.",
        "leather_description": "photo 1: smooth brown leather-like or coated material is visible; exact material cannot be confirmed.",
        "lining_description": "photo 1: brown ribbed fabric lining with interior zipper pocket and open compartments is visible.",
        "strap_construction": "photo 1: two short handles and additional strap sections with buckled or tabbed attachments are visible; full strap construction is not shown.",
        "stitching_description": "photo 1: visible stitching appears generally even along the upper edge and interior pocket, but close-up coverage is limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0064,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.67,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a structured handbag with handles, interior compartments, zipper pocket, and functioning-looking closure.",
                    "photo 1: leather-like exterior and gold-tone hardware are visible."
                ],
                "negative_evidence": [
                    "photo 1: fabric-lined, compartmentalized construction and bright gold-tone hardware do not resemble a classic vintage Coach glove-tanned, often unlined construction.",
                    "photo 2: the interior stamp appears to show a non-Coach designer\/brand mark rather than a Coach creed or COACH wordmark.",
                    "photo 1: the central closure appears to be a rectangular snap\/clasp, not a recognizable vintage Coach turnlock.",
                    "photo 1: no Coach hangtag, creed patch, horse-and-carriage mark, or recognizable Coach branding is visible."
                ],
                "missing_information": [
                    "photo 1: exterior front, back, sides, bottom, and corners are not shown.",
                    "photo 1: full interior wall and all pockets are not shown; any sewn-in brand or care label is unknown.",
                    "photo 1: zipper pull, clasp detail, strap attachments, and stitching are not shown close enough for detailed comparison.",
                    "photo 2: the interior stamp is blurry and should be photographed straight-on for exact reading."
                ],
                "authenticity_concerns": [
                    "photo 2: the visible interior marking does not appear to be a Coach creed and appears inconsistent with a Coach handbag.",
                    "photo 1: the bright plated-looking hardware and synthetic-looking fabric lining are more consistent with a non-Coach fashion handbag than a vintage Coach classic."
                ],
                "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: bright gold-tone rectangular clasp hardware, zipper hardware, and handle\/strap fittings are visible; detailed engravings are not legible.",
                    "leather_description": "photo 1: smooth brown leather-like or coated material is visible; exact material cannot be confirmed.",
                    "lining_description": "photo 1: brown ribbed fabric lining with interior zipper pocket and open compartments is visible.",
                    "strap_construction": "photo 1: two short handles and additional strap sections with buckled or tabbed attachments are visible; full strap construction is not shown.",
                    "stitching_description": "photo 1: visible stitching appears generally even along the upper edge and interior pocket, but close-up coverage is limited."
                },
                "possible_model_reasoning": [
                    "The structured silhouette and dimensions stated by the seller do not closely identify a Coach model, and no Coach identifier is visible.",
                    "The fabric-lined interior, bright gold-tone fittings, and apparent non-Coach interior stamp favor a generic or other-brand handbag.",
                    "Condition: seller states very good; photo 1 shows an apparently clean interior, but exterior corners, bottom, and strap wear are not adequately documented."
                ],
                "confidence": 0.68,
                "recommended_max_bid": 10,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.45,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo 1: exterior front, back, sides and bottom not shown - shape and corner wear cannot be graded",
                    "photo 1: creed patch area not shown - no Coach creed visible, interior back wall\/pocket not isolated",
                    "photo 1-2: hardware close-ups of clasps, zipper pull brand stamp and handle attachments not shown",
                    "photo 1: full strap\/handle length, underside and attachment hardware only partially visible"
                ],
                "negative_evidence": [
                    "photo 2: interior lining clearly stamped LEWIS GENUINE LEATHER in gold - branded non-Coach maker, not Coach wordmark or creed",
                    "photo 1: fully fabric-lined interior with center zip divider - inconsistent with unlined suede-back vintage Coach classics",
                    "photo 1: rigid frame \/ snap-lock frame construction with dual top handles - not a Coach catalog silhouette like Willis\/Court\/Station\/Dinky",
                    "photo 1-2: no Coach creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone frame hardware and rectangular front clasp; top-handle attachment brackets in gold-tone; interior metal zipper; engravings not legible",
                    "leather_description": "tan\/brown smooth leather exterior and handles with sheen; glove-tanned texture not evident",
                    "lining_description": "photo 1-2: brown\/taupe woven fabric lining throughout with center zip compartment; photo 2 gold-foil LEWIS GENUINE LEATHER branding on lining",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "light-colored stitching visible along interior zip tape in photo 2; exterior stitching detail not clearly visible",
                    "strap_construction": "two short top handles with looped and stitched attachments to gold-tone brackets; no detachable crossbody strap shown",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: leather handbag with top handles - general bag population where vintage could hide, but no Coach-specific cue"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: Lewis-branded fabric-lined frame satchel with snap\/frame lock does not match City Bag (9790), Willis (9927), Court (9870), Station (5130) or other classics in closure, lining and branding",
                    "Era reasoning: Lewis branding and fabric lining indicate non-Coach manufacture; age before\/after 2000 cannot be determined from 2 photos, emitted as modern (2000s+), non-Coach",
                    "Condition: Very Good per seller text very clean inside and out and photo 1 showing clean lining and intact handles; capped by missing exterior bottom\/corner and close-up views"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16000,
            "output_tokens": 886,
            "total_tokens": 16886,
            "estimated_cost_usd": 0.008526
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16298,
            "output_tokens": 1710,
            "total_tokens": 18008,
            "estimated_cost_usd": 0.004628
        }
    ]
}