Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.075,
    "vintage_probability": 0.465,
    "authenticity_confidence": 0.065,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.075,
    "confidence": 0.795,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Leather-looking navy flap handbag with brass-tone hardware and an accordion-style multi-compartment construction.",
        "photo 3: Side view shows a structured, multi-gusset body and adjustable strap, broadly compatible with vintage handbag construction.",
        "photo 6: Interior is divided into multiple compartments, matching the seller's accordion-purse description.",
        "photo 1-2: leather handbag with brass-tone hardware in vintage style - population where misidentified Coach can hide",
        "photo 4: adjustable leather strap with metal buckle"
    ],
    "negative_evidence": [
        "photo 1: The central narrow clasp and overall hardware geometry do not resemble a recognizable vintage Coach turnlock.",
        "photo 3: Large circular strap rings and the long vertical clasp element appear generic rather than characteristic of Coach classic hardware.",
        "photo 6: Fabric-lined cream interior is visible, but no Coach creed, wordmark, horse-and-carriage mark, or identifiable Coach label is shown.",
        "photo 2: No Coach hangtag or exterior branding is visible.",
        "photo 4: Strap buckle and ring hardware appear generic and somewhat bright\/plated rather than clearly solid vintage Coach brass.",
        "photo 6: fully fabric-lined triple accordion compartments with center zip - vintage Coach classics are unlined suede-back glove-tanned, not fabric-lined",
        "photo 1: closure is narrow vertical bar\/toggle clasp, not Coach turnlock geometry with wide oval back-plate and rounded tab",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible in any view",
        "photo 2-5: strap attaches via large plain metal rings and buckle-adjustable strap, not Coach dogleash\/lobster clips or dowel\/buckle constructions",
        "photo 2: flap with center strap detail and silhouette does not match any catalog Coach style (City Bag, Willis, Court, Dinky, etc.)"
    ],
    "missing_information": [
        "Straight-on close-up of every interior wall and pocket, especially any sewn leather creed patch or fabric brand tag.",
        "Close-up of the clasp, hardware backs, zipper pull, and any stamped markings.",
        "Full bottom, corners, and strap-end photographs for construction and condition assessment.",
        "Seller-stated dimensions and a photograph of any labels hidden beneath interior pockets.",
        "photo 6: interior shows no creed patch but no straight-on raking-light close-up of interior walls\/pockets to fully exclude a stamp",
        "photo 1-2: no COACH wordmark, hangtag, or horse-and-carriage visible; confirm no markings on hardware or strap",
        "photo 3-5: zipper brand and hardware engravings not shown",
        "bottom, back, and scale\/dimensions not shown"
    ],
    "authenticity_concerns": [
        "The visible construction is more consistent with an unbranded vintage or retro leather accordion purse than with a documented Coach model.",
        "No Coach identifier is visible in the supplied photographs; silhouette and brass-tone hardware alone are insufficient to attribute it to Coach.",
        "The fabric-lined accordion interior and generic circular-ring hardware do not strongly match the unlined glove-tanned classic Coach profile."
    ],
    "possible_model_reasoning": [
        "The accordion silhouette and circular-ring hardware do not provide a credible match to the listed Coach catalog styles.",
        "No serial, creed, or Coach branding is visible to support a Coach model assignment.",
        "Condition appears Good: noticeable creasing and surface wear on the leather (photos 1-5), with visible interior discoloration or marks (photo 6); no obvious major tear or broken hardware is shown.",
        "No Coach model fits: accordion triple-compartment fabric-lined construction with bar clasp is inconsistent with 1970s-1990s unlined glove-tanned turnlock Coach catalog",
        "No serial decode possible - no creed or number visible; seller text claims only unbranded vintage navy purse",
        "Condition: Good to Very Good vintage wear; surface scuffs\/creasing and wear noted (photos 1-2), lining appears clean (photo 6), hardware tarnish\/condition not fully gradable"
    ],
    "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": "Brass-tone or gold-tone clasp, circular strap rings, and adjustable buckle are visible; hardware appears generic and possibly plated. No Coach engraving is visible.",
        "leather_description": "Navy, smooth-looking leather or leather-like material with visible creasing, surface rubbing, and a glossy sheen in places; exact material cannot be confirmed from photos.",
        "lining_description": "Light cream fabric lining with several accordion compartments and a central zippered compartment; no brand label or creed is visible.",
        "strap_construction": "Adjustable stitched leather strap with large circular side rings and a rectangular buckle; strap shows creasing and wear.",
        "stitching_description": "Visible exterior stitching appears generally regular, but close-up stress-point and interior stitching assessment is limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0037,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.12,
                "vintage_probability": 0.38,
                "authenticity_confidence": 0.1,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Leather-looking navy flap handbag with brass-tone hardware and an accordion-style multi-compartment construction.",
                    "photo 3: Side view shows a structured, multi-gusset body and adjustable strap, broadly compatible with vintage handbag construction.",
                    "photo 6: Interior is divided into multiple compartments, matching the seller's accordion-purse description."
                ],
                "negative_evidence": [
                    "photo 1: The central narrow clasp and overall hardware geometry do not resemble a recognizable vintage Coach turnlock.",
                    "photo 3: Large circular strap rings and the long vertical clasp element appear generic rather than characteristic of Coach classic hardware.",
                    "photo 6: Fabric-lined cream interior is visible, but no Coach creed, wordmark, horse-and-carriage mark, or identifiable Coach label is shown.",
                    "photo 2: No Coach hangtag or exterior branding is visible.",
                    "photo 4: Strap buckle and ring hardware appear generic and somewhat bright\/plated rather than clearly solid vintage Coach brass."
                ],
                "missing_information": [
                    "Straight-on close-up of every interior wall and pocket, especially any sewn leather creed patch or fabric brand tag.",
                    "Close-up of the clasp, hardware backs, zipper pull, and any stamped markings.",
                    "Full bottom, corners, and strap-end photographs for construction and condition assessment.",
                    "Seller-stated dimensions and a photograph of any labels hidden beneath interior pockets."
                ],
                "authenticity_concerns": [
                    "The visible construction is more consistent with an unbranded vintage or retro leather accordion purse than with a documented Coach model.",
                    "No Coach identifier is visible in the supplied photographs; silhouette and brass-tone hardware alone are insufficient to attribute it to Coach.",
                    "The fabric-lined accordion interior and generic circular-ring hardware do not strongly match the unlined glove-tanned classic Coach profile."
                ],
                "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": "Brass-tone or gold-tone clasp, circular strap rings, and adjustable buckle are visible; hardware appears generic and possibly plated. No Coach engraving is visible.",
                    "leather_description": "Navy, smooth-looking leather or leather-like material with visible creasing, surface rubbing, and a glossy sheen in places; exact material cannot be confirmed from photos.",
                    "lining_description": "Light cream fabric lining with several accordion compartments and a central zippered compartment; no brand label or creed is visible.",
                    "strap_construction": "Adjustable stitched leather strap with large circular side rings and a rectangular buckle; strap shows creasing and wear.",
                    "stitching_description": "Visible exterior stitching appears generally regular, but close-up stress-point and interior stitching assessment is limited."
                },
                "possible_model_reasoning": [
                    "The accordion silhouette and circular-ring hardware do not provide a credible match to the listed Coach catalog styles.",
                    "No serial, creed, or Coach branding is visible to support a Coach model assignment.",
                    "Condition appears Good: noticeable creasing and surface wear on the leather (photos 1-5), with visible interior discoloration or marks (photo 6); no obvious major tear or broken hardware is shown."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 15,
                "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": 0.75,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 6: interior shows no creed patch but no straight-on raking-light close-up of interior walls\/pockets to fully exclude a stamp",
                    "photo 1-2: no COACH wordmark, hangtag, or horse-and-carriage visible; confirm no markings on hardware or strap",
                    "photo 3-5: zipper brand and hardware engravings not shown",
                    "bottom, back, and scale\/dimensions not shown"
                ],
                "negative_evidence": [
                    "photo 6: fully fabric-lined triple accordion compartments with center zip - vintage Coach classics are unlined suede-back glove-tanned, not fabric-lined",
                    "photo 1: closure is narrow vertical bar\/toggle clasp, not Coach turnlock geometry with wide oval back-plate and rounded tab",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible in any view",
                    "photo 2-5: strap attaches via large plain metal rings and buckle-adjustable strap, not Coach dogleash\/lobster clips or dowel\/buckle constructions",
                    "photo 2: flap with center strap detail and silhouette does not match any catalog Coach style (City Bag, Willis, Court, Dinky, etc.)"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold\/brass-tone metal: large plain O-rings at strap anchors, slide buckle on strap, narrow vertical bar clasp on front; bright plated appearance, not solid vintage brass turnlock",
                    "leather_description": "navy smooth leather with sheen, surface creasing, scuffs and wear visible in photos 1-2; not glove-tanned matte patina",
                    "lining_description": "cream\/off-white fabric lining in all three accordion compartments, center compartment with zipper, visible in photo 6",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible edge stitching on flap and strap, tone-matched; no detail to suggest Coach construction",
                    "strap_construction": "narrow navy shoulder strap, buckle-adjustable, attached with large metal rings and rivet",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-2: leather handbag with brass-tone hardware in vintage style - population where misidentified Coach can hide",
                    "photo 4: adjustable leather strap with metal buckle"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: accordion triple-compartment fabric-lined construction with bar clasp is inconsistent with 1970s-1990s unlined glove-tanned turnlock Coach catalog",
                    "No serial decode possible - no creed or number visible; seller text claims only unbranded vintage navy purse",
                    "Condition: Good to Very Good vintage wear; surface scuffs\/creasing and wear noted (photos 1-2), lining appears clean (photo 6), hardware tarnish\/condition not fully gradable"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.55
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18181,
            "output_tokens": 846,
            "total_tokens": 19027,
            "estimated_cost_usd": 0.009303
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18733,
            "output_tokens": 1488,
            "total_tokens": 20221,
            "estimated_cost_usd": 0.004937
        }
    ]
}