Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.17,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.805,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.89,
    "recommended_max_bid": 8,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag is constructed primarily from blue denim textile rather than Coach's characteristic glove-tanned leather or recognized signature canvas.",
        "photo 1: front has multiple decorative denim pockets and woven denim paneling, with no visible Coach wordmark, carriage, or hangtag.",
        "photo 3: interior appears denim\/textile with multiple zippered compartments; no creed patch or fabric Coach label is visible.",
        "photos 1 and 5: hardware is silver-tone and utilitarian, not the solid brass hardware typical of many vintage Coach classics.",
        "photo 6: plain denim back panel and overall Y2K\/boho construction do not match a recognizable Coach catalog silhouette.",
        "photo 1,2,4,5: body and strap are light-wash denim textile, not glove-tanned leather",
        "photo 1-5: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 3: hook-and-loop velcro flap closure and silver-tone D-rings \/ zippers, not solid brass turnlock construction",
        "photo 1,2,4: zip-top hobo with exterior flap pocket and quilted denim panel - silhouette not matching any vintage Coach catalog style"
    ],
    "missing_information": [
        "photo 3: a closer, straight-on photograph of every interior label or sewn-in tag would confirm whether any brand label is hidden.",
        "photo 2: close-ups of all zipper pulls and hardware markings.",
        "photo 1: seller-stated dimensions and a bottom\/corner close-up for condition and identification.",
        "interior lining and any interior brand \/ content tags not shown",
        "creed patch close-up not shown - no leather patch visible in any photo",
        "hardware brand stamps \/ zipper pull markings not shown in close-up"
    ],
    "authenticity_concerns": [
        "photos 1-6: no Coach identifiers are visible, and the denim multi-pocket construction is inconsistent with the usual vintage Coach leather handbag population; this appears to be an unbranded denim bag rather than a Coach item."
    ],
    "possible_model_reasoning": [
        "No Coach model is a plausible match: the denim textile body, decorative woven front panel, and multi-pocket layout do not correspond to the listed vintage Coach leather styles.",
        "Era estimate: modern (2000s+), non-Coach, based on Y2K\/boho denim styling, silver-tone hardware, and textile construction.",
        "Condition appears Good to Very Good: visible fading and ordinary fabric wear, but no obvious major tears or broken hardware; interior and odor cannot be fully assessed.",
        "Denim zip-top shoulder hobo with front flap pocket is not a Coach classic glove-tanned silhouette; no catalog match in 1970s-1990s or modern lines",
        "Materials - denim body, silver-tone hardware, velcro - point to mass-market Y2K fast-fashion denim bag, not Coach leather construction",
        "Condition: Very Good; denim shows light fading \/ wear consistent with use but no tears or broken zippers visible in photos 1-5; interior and bottom not fully assessed so grade capped"
    ],
    "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 silver-tone rings, adjustment hardware, and zipper pulls; no Coach engraving is visible.",
        "leather_description": "No leather body or trim is visible; the bag appears to be denim textile throughout.",
        "lining_description": "Denim\/textile interior and zippered compartments are visible; no branded lining or label is visible.",
        "strap_construction": "Single denim shoulder strap with metal rings and an adjustable slider\/attachment construction.",
        "stitching_description": "Visible contrast tan stitching is generally even, with decorative multi-panel and woven-denim construction."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.004,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag is constructed primarily from blue denim textile rather than Coach's characteristic glove-tanned leather or recognized signature canvas.",
                    "photo 1: front has multiple decorative denim pockets and woven denim paneling, with no visible Coach wordmark, carriage, or hangtag.",
                    "photo 3: interior appears denim\/textile with multiple zippered compartments; no creed patch or fabric Coach label is visible.",
                    "photos 1 and 5: hardware is silver-tone and utilitarian, not the solid brass hardware typical of many vintage Coach classics.",
                    "photo 6: plain denim back panel and overall Y2K\/boho construction do not match a recognizable Coach catalog silhouette."
                ],
                "missing_information": [
                    "photo 3: a closer, straight-on photograph of every interior label or sewn-in tag would confirm whether any brand label is hidden.",
                    "photo 2: close-ups of all zipper pulls and hardware markings.",
                    "photo 1: seller-stated dimensions and a bottom\/corner close-up for condition and identification."
                ],
                "authenticity_concerns": [
                    "photos 1-6: no Coach identifiers are visible, and the denim multi-pocket construction is inconsistent with the usual vintage Coach leather handbag population; this appears to be an unbranded denim bag rather than a Coach item."
                ],
                "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 silver-tone rings, adjustment hardware, and zipper pulls; no Coach engraving is visible.",
                    "leather_description": "No leather body or trim is visible; the bag appears to be denim textile throughout.",
                    "lining_description": "Denim\/textile interior and zippered compartments are visible; no branded lining or label is visible.",
                    "strap_construction": "Single denim shoulder strap with metal rings and an adjustable slider\/attachment construction.",
                    "stitching_description": "Visible contrast tan stitching is generally even, with decorative multi-panel and woven-denim construction."
                },
                "possible_model_reasoning": [
                    "No Coach model is a plausible match: the denim textile body, decorative woven front panel, and multi-pocket layout do not correspond to the listed vintage Coach leather styles.",
                    "Era estimate: modern (2000s+), non-Coach, based on Y2K\/boho denim styling, silver-tone hardware, and textile construction.",
                    "Condition appears Good to Very Good: visible fading and ordinary fabric wear, but no obvious major tears or broken hardware; interior and odor cannot be fully assessed."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "interior lining and any interior brand \/ content tags not shown",
                    "creed patch close-up not shown - no leather patch visible in any photo",
                    "hardware brand stamps \/ zipper pull markings not shown in close-up"
                ],
                "negative_evidence": [
                    "photo 1,2,4,5: body and strap are light-wash denim textile, not glove-tanned leather",
                    "photo 1-5: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 3: hook-and-loop velcro flap closure and silver-tone D-rings \/ zippers, not solid brass turnlock construction",
                    "photo 1,2,4: zip-top hobo with exterior flap pocket and quilted denim panel - silhouette not matching any vintage Coach catalog style"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone metal D-rings at strap attachments and silver-tone zipper pulls with blue coil zippers; no brass turnlock, no COACH stamping visible",
                    "leather_description": "no leather visible; light to medium wash denim \/ jean fabric with faded areas and central woven-quilted denim panel on front",
                    "lining_description": "not_visible - interior never shown",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "gold \/ tan contrast denim topstitching, multiple rows at zip and pocket edges; even casual stitching, not Coach-matched leather stitching",
                    "strap_construction": "matching denim shoulder strap attached via silver-tone metal rings, adjustable with metal slider",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Denim zip-top shoulder hobo with front flap pocket is not a Coach classic glove-tanned silhouette; no catalog match in 1970s-1990s or modern lines",
                    "Materials - denim body, silver-tone hardware, velcro - point to mass-market Y2K fast-fashion denim bag, not Coach leather construction",
                    "Condition: Very Good; denim shows light fading \/ wear consistent with use but no tears or broken zippers visible in photos 1-5; interior and bottom not fully assessed so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.3
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 30098,
            "output_tokens": 767,
            "total_tokens": 30865,
            "estimated_cost_usd": 0.01388
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 32205,
            "output_tokens": 1241,
            "total_tokens": 33446,
            "estimated_cost_usd": 0.007434
        }
    ]
}