Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.035,
    "vintage_probability": 0.34,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.775,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.83,
    "recommended_max_bid": 10,
    "estimated_resale_low": 10,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather or leather-like handbag with a structured metal frame and top handle.",
        "photo 4: the bag has a functional hinged frame opening and a pink fabric interior."
    ],
    "negative_evidence": [
        "photo 1: the bag has a jeweled\/hinged frame clasp rather than a Coach-style turnlock.",
        "photo 1: the highly gathered, frame-purse silhouette does not closely match the listed vintage Coach classic models.",
        "photo 1: no legible COACH wordmark, carriage emblem, or leather hangtag is visible.",
        "photo 4: the interior is fabric-lined, with no visible Coach creed patch or brand label.",
        "photo 1: bright gold-tone frame hardware and decorative clasp are more consistent with a generic vintage frame purse than classic Coach construction.",
        "photo 1, photo 3: kisslock\/clasp frame top with thin gold-tone metal handle - not Coach turnlock geometry and not a catalog Cashin kisslock form",
        "photo 4: pink fabric lining - vintage Coach classics are unlined suede-back glove-tanned, not pink fabric lined",
        "photo 1, photo 3, photo 4: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 1, photo 2: soft gathered black leather with shiny finish and thin plated-tone frame, inconsistent with 1970s-1990s solid-brass hardware and matte glove-tanned leather",
        "photo 2: bottom view shows simple seamed construction with no base feet, no creed, no brand stamps"
    ],
    "missing_information": [
        "photo request: straight-on close-up of every interior wall and pocket for a possible creed or brand label.",
        "photo request: close-ups of the clasp, hinges, handle mounts, and any hardware markings.",
        "photo request: leather\/material tag and a detailed view of the interior lining and seams.",
        "photo request: bottom, side, and corner views to assess construction and material.",
        "No creed patch or interior brand stamp shown - request straight-on interior wall\/pocket photos",
        "No exterior brand mark, hangtag, or hardware engraving shown legibly",
        "No zipper brand or hardware back-plate detail shown",
        "Seller-stated dimensions and age\/provenance not provided"
    ],
    "authenticity_concerns": [
        "photo 1 and photo 4: no Coach identifier is visible; the bag appears to be a generic frame handbag rather than an identifiable Coach model.",
        "photo 4: the pink fabric lining and metal-frame construction are inconsistent with the unlined glove-tanned construction expected of many classic vintage Coach styles."
    ],
    "possible_model_reasoning": [
        "The silhouette is a small-to-medium hinged frame or kisslock-style handbag, not a close match for the listed Coach Dinky, Court, Willis, City Bag, or other turnlock classics.",
        "No readable identifier supports a Coach attribution or a vintage Coach era.",
        "Condition appears Good to Very Good from the visible exterior: leather remains intact but has pronounced creasing\/gathering and minor surface wear; interior shows light marks. Bottom and hardware wear are not fully documented.",
        "As an unidentified generic leather frame handbag, a rough secondhand resale range is approximately $15\u201345.",
        "No Coach silhouette match: kisslock evening-bag form with metal top handle does not match City Bag, Willis, Court, Station, Dinky or other classic turnlock models",
        "Era reasoning: construction, fabric lining and plated frame are inconsistent with 1975-1993 NYC\/US glove-tanned unlined Coach; no identifier to support any Coach era",
        "Condition: Good; exterior shows light surface wear and creasing (photo 1, photo 2) but no major tears visible; interior lining shows light marks (photo 4); capped because no corner close-ups, hardware function, or odor\/mold assessable from photos"
    ],
    "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 metal frame, rounded top handle, hinged frame clasp, and decorative clasp hardware; no Coach engraving is legible.",
        "leather_description": "photo 1: black smooth, glossy leather or leather-like material with gathered\/pleated construction; exact material cannot be confirmed.",
        "lining_description": "photo 4: pink fabric lining is visible; no brand label or creed is visible.",
        "strap_construction": "photo 1 and photo 4: single rigid rounded top handle attached to the metal frame; no shoulder strap is visible.",
        "stitching_description": "photo 1 and photo 4: gathered leather panels and visible seam lines are present; stitching details are not sufficiently close to assess."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0063,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.9,
                "seller_misidentification_probability": 0.05,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather or leather-like handbag with a structured metal frame and top handle.",
                    "photo 4: the bag has a functional hinged frame opening and a pink fabric interior."
                ],
                "negative_evidence": [
                    "photo 1: the bag has a jeweled\/hinged frame clasp rather than a Coach-style turnlock.",
                    "photo 1: the highly gathered, frame-purse silhouette does not closely match the listed vintage Coach classic models.",
                    "photo 1: no legible COACH wordmark, carriage emblem, or leather hangtag is visible.",
                    "photo 4: the interior is fabric-lined, with no visible Coach creed patch or brand label.",
                    "photo 1: bright gold-tone frame hardware and decorative clasp are more consistent with a generic vintage frame purse than classic Coach construction."
                ],
                "missing_information": [
                    "photo request: straight-on close-up of every interior wall and pocket for a possible creed or brand label.",
                    "photo request: close-ups of the clasp, hinges, handle mounts, and any hardware markings.",
                    "photo request: leather\/material tag and a detailed view of the interior lining and seams.",
                    "photo request: bottom, side, and corner views to assess construction and material."
                ],
                "authenticity_concerns": [
                    "photo 1 and photo 4: no Coach identifier is visible; the bag appears to be a generic frame handbag rather than an identifiable Coach model.",
                    "photo 4: the pink fabric lining and metal-frame construction are inconsistent with the unlined glove-tanned construction expected of many classic vintage Coach styles."
                ],
                "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 metal frame, rounded top handle, hinged frame clasp, and decorative clasp hardware; no Coach engraving is legible.",
                    "leather_description": "photo 1: black smooth, glossy leather or leather-like material with gathered\/pleated construction; exact material cannot be confirmed.",
                    "lining_description": "photo 4: pink fabric lining is visible; no brand label or creed is visible.",
                    "strap_construction": "photo 1 and photo 4: single rigid rounded top handle attached to the metal frame; no shoulder strap is visible.",
                    "stitching_description": "photo 1 and photo 4: gathered leather panels and visible seam lines are present; stitching details are not sufficiently close to assess."
                },
                "possible_model_reasoning": [
                    "The silhouette is a small-to-medium hinged frame or kisslock-style handbag, not a close match for the listed Coach Dinky, Court, Willis, City Bag, or other turnlock classics.",
                    "No readable identifier supports a Coach attribution or a vintage Coach era.",
                    "Condition appears Good to Very Good from the visible exterior: leather remains intact but has pronounced creasing\/gathering and minor surface wear; interior shows light marks. Bottom and hardware wear are not fully documented.",
                    "As an unidentified generic leather frame handbag, a rough secondhand resale range is approximately $15\u201345."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 12,
                "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": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "No creed patch or interior brand stamp shown - request straight-on interior wall\/pocket photos",
                    "No exterior brand mark, hangtag, or hardware engraving shown legibly",
                    "No zipper brand or hardware back-plate detail shown",
                    "Seller-stated dimensions and age\/provenance not provided"
                ],
                "negative_evidence": [
                    "photo 1, photo 3: kisslock\/clasp frame top with thin gold-tone metal handle - not Coach turnlock geometry and not a catalog Cashin kisslock form",
                    "photo 4: pink fabric lining - vintage Coach classics are unlined suede-back glove-tanned, not pink fabric lined",
                    "photo 1, photo 3, photo 4: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 1, photo 2: soft gathered black leather with shiny finish and thin plated-tone frame, inconsistent with 1970s-1990s solid-brass hardware and matte glove-tanned leather",
                    "photo 2: bottom view shows simple seamed construction with no base feet, no creed, no brand stamps"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone kisslock\/clasp frame with hinged clasp and rigid arch top handle; thin plated appearance, not solid vintage brass turnlock",
                    "leather_description": "black smooth leather with soft gathers\/pleating at frame, shiny surface sheen in photo 1 and photo 3",
                    "lining_description": "pink\/peach fabric lining visible in photo 4, gathered side seams",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - seams gathered into frame, no close-up stitch detail legible",
                    "strap_construction": "rigid metal top handle fixed to frame, no detachable shoulder strap or dogleash clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach silhouette match: kisslock evening-bag form with metal top handle does not match City Bag, Willis, Court, Station, Dinky or other classic turnlock models",
                    "Era reasoning: construction, fabric lining and plated frame are inconsistent with 1975-1993 NYC\/US glove-tanned unlined Coach; no identifier to support any Coach era",
                    "Condition: Good; exterior shows light surface wear and creasing (photo 1, photo 2) but no major tears visible; interior lining shows light marks (photo 4); capped because no corner close-ups, hardware function, or odor\/mold assessable from photos"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16893,
            "output_tokens": 869,
            "total_tokens": 17762,
            "estimated_cost_usd": 0.008843
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17215,
            "output_tokens": 1442,
            "total_tokens": 18657,
            "estimated_cost_usd": 0.004597
        }
    ]
}