Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.325,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.765,
    "seller_misidentification_probability": 0.51,
    "confidence": 0.89,
    "recommended_max_bid": 11,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 3: the bag has a clear rectangular leather brand patch, but it reads \"PERRY ELLIS AMERICA,\" not COACH.",
        "photo 1: compact leather shoulder\/crossbody handbag silhouette is clearly visible.",
        "photo 5: seller shows approximately 10 inches of width, supporting that this is a handbag.",
        "photo 1, photo 2: black leather flap shoulder bag of 1990s type, the population where lookalikes occur"
    ],
    "negative_evidence": [
        "photo 3: the visible brand wordmark explicitly identifies Perry Ellis America rather than Coach.",
        "photos 1-7: no Coach wordmark, horse-and-carriage emblem, creed patch, or Coach hangtag is visible.",
        "photos 1-7: no vintage Coach-specific turnlock, dogleash hardware, or other distinctive Coach construction is visible.",
        "photo 1: the bag appears to have a simple flap and thin strap rather than a recognizable classic Coach model.",
        "photo 3: flap tab clearly heat-stamped PERRY ELLIS AMERICA, a competing department-store brand, not Coach",
        "photo 1, photo 2, photo 4: no COACH wordmark, no horse-and-carriage, no creed patch, no hangtag visible",
        "photo 1, photo 2, photo 4, photo 5, photo 6: no turnlock, no solid brass hardware visible; thin knotted shoulder strap unlike Coach dogleash \/ buckle straps",
        "seller text states black cotton lining; fabric-lined flap bag is inconsistent with unlined vintage Coach classics"
    ],
    "missing_information": [
        "photo request: clear interior view, including lining, pockets, labels, and any additional brand tags.",
        "photo request: reverse side, bottom, strap attachments, and closure hardware.",
        "photo request: close-up of any zipper pull or metal hardware markings.",
        "seller's stated black cotton lining is not independently visible in the provided photos.",
        "photo of interior \/ lining to verify construction (interior never shown)",
        "photo of bottom, back, side views and strap attachments",
        "photo of any interior brand \/ content labels"
    ],
    "authenticity_concerns": [
        "photo 3: the visible Perry Ellis America branding is inconsistent with Coach manufacture; this is a lookalike\/non-Coach bag, not an apparent Coach misidentification."
    ],
    "possible_model_reasoning": [
        "The visible Perry Ellis America patch in photo 3 rules against identifying this as a Coach model.",
        "The seller's claimed 1990s date is not independently verifiable from the photos; the visible branding and simple construction support only a generic Perry Ellis-era shoulder bag assessment.",
        "Condition appears Excellent from the exterior photos: leather is largely clean and intact with minor apparent handling\/storage marks; interior, odor, lining, and bottom condition are unverified.",
        "No Coach model fits: visible PERRY ELLIS AMERICA stamp identifies maker as Perry Ellis, no Coach identifiers, no turnlock, no brass, no creed; therefore no ranked Coach candidates. Condition: seller states Excellent; photos show clean exterior with light sheen (photo 2, photo 4) but no interior or bottom views 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": "not_visible - no brass hardware, turnlock, buckles or zipper pulls shown",
        "leather_description": "Smooth black leather-like exterior is visible; exact leather type cannot be confirmed from photos.",
        "lining_description": "not_visible - interior never shown; seller states black cotton lining",
        "strap_construction": "Thin black shoulder strap is visible, attached at the bag's sides; attachment details are not clearly shown.",
        "stitching_description": "Visible perimeter stitching appears generally even and tonal, but detailed construction cannot be assessed fully."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0429,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.05,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.97,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 3: the bag has a clear rectangular leather brand patch, but it reads \"PERRY ELLIS AMERICA,\" not COACH.",
                    "photo 1: compact leather shoulder\/crossbody handbag silhouette is clearly visible.",
                    "photo 5: seller shows approximately 10 inches of width, supporting that this is a handbag."
                ],
                "negative_evidence": [
                    "photo 3: the visible brand wordmark explicitly identifies Perry Ellis America rather than Coach.",
                    "photos 1-7: no Coach wordmark, horse-and-carriage emblem, creed patch, or Coach hangtag is visible.",
                    "photos 1-7: no vintage Coach-specific turnlock, dogleash hardware, or other distinctive Coach construction is visible.",
                    "photo 1: the bag appears to have a simple flap and thin strap rather than a recognizable classic Coach model."
                ],
                "missing_information": [
                    "photo request: clear interior view, including lining, pockets, labels, and any additional brand tags.",
                    "photo request: reverse side, bottom, strap attachments, and closure hardware.",
                    "photo request: close-up of any zipper pull or metal hardware markings.",
                    "seller's stated black cotton lining is not independently visible in the provided photos."
                ],
                "authenticity_concerns": [
                    "photo 3: the visible Perry Ellis America branding is inconsistent with Coach manufacture; this is a lookalike\/non-Coach bag, not an apparent Coach misidentification."
                ],
                "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": "not_visible",
                    "leather_description": "Smooth black leather-like exterior is visible; exact leather type cannot be confirmed from photos.",
                    "lining_description": "not_visible",
                    "strap_construction": "Thin black shoulder strap is visible, attached at the bag's sides; attachment details are not clearly shown.",
                    "stitching_description": "Visible perimeter stitching appears generally even and tonal, but detailed construction cannot be assessed fully."
                },
                "possible_model_reasoning": [
                    "The visible Perry Ellis America patch in photo 3 rules against identifying this as a Coach model.",
                    "The seller's claimed 1990s date is not independently verifiable from the photos; the visible branding and simple construction support only a generic Perry Ellis-era shoulder bag assessment.",
                    "Condition appears Excellent from the exterior photos: leather is largely clean and intact with minor apparent handling\/storage marks; interior, odor, lining, and bottom condition are unverified."
                ],
                "confidence": 0.9,
                "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": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior \/ lining to verify construction (interior never shown)",
                    "photo of bottom, back, side views and strap attachments",
                    "photo of any interior brand \/ content labels"
                ],
                "negative_evidence": [
                    "photo 3: flap tab clearly heat-stamped PERRY ELLIS AMERICA, a competing department-store brand, not Coach",
                    "photo 1, photo 2, photo 4: no COACH wordmark, no horse-and-carriage, no creed patch, no hangtag visible",
                    "photo 1, photo 2, photo 4, photo 5, photo 6: no turnlock, no solid brass hardware visible; thin knotted shoulder strap unlike Coach dogleash \/ buckle straps",
                    "seller text states black cotton lining; fabric-lined flap bag is inconsistent with unlined vintage Coach classics"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "not_visible - no brass hardware, turnlock, buckles or zipper pulls shown",
                    "leather_description": "photo 1-6: black smooth leather with light grain, flap with center tab",
                    "lining_description": "not_visible - interior never shown; seller states black cotton lining",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 3, photo 4: even straight edge stitching with thread matched to black leather",
                    "strap_construction": "photo 1, photo 2, photo 5: thin narrow black shoulder strap, knotted, no buckle or clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1, photo 2: black leather flap shoulder bag of 1990s type, the population where lookalikes occur"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: visible PERRY ELLIS AMERICA stamp identifies maker as Perry Ellis, no Coach identifiers, no turnlock, no brass, no creed; therefore no ranked Coach candidates. Condition: seller states Excellent; photos show clean exterior with light sheen (photo 2, photo 4) but no interior or bottom views so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.6
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18091,
            "output_tokens": 727,
            "total_tokens": 18818,
            "estimated_cost_usd": 0.008981
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18641,
            "output_tokens": 1111,
            "total_tokens": 19752,
            "estimated_cost_usd": 0.004617
        }
    ]
}