Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.055,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.76,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.83,
    "recommended_max_bid": 10,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a handbag with a framed kiss-lock opening and shoulder straps.",
        "photo 3: black leather-like exterior and a functional-looking frame construction are visible."
    ],
    "negative_evidence": [
        "photo 1: bright silver-tone frame and hardware are inconsistent with the solid brass hardware typical of many vintage Coach frame bags.",
        "photo 1: the centered contrasting double-stitched seam and generic kiss-lock silhouette do not provide a recognizable Coach construction cue.",
        "photo 2: no Coach wordmark, horse-and-carriage, hangtag, creed patch, or other Coach identifier is visible.",
        "photo 3: hardware appears generic and plated rather than the understated brass hardware associated with classic vintage Coach.",
        "Listing title and seller brand identify the bag as unbranded; this is weak context only, not proof of non-Coach manufacture.",
        "photo 1: silver-tone plated kiss-lock frame, not solid brass vintage Coach hardware",
        "photo 1: white contrast center stitching, not tone-matched Coach stitching",
        "photo 2: modern rolled top handles with silver end caps and thin adjustable crossbody strap, not Coach glove-tanned strap with brass dogleash clips",
        "photo 1-3: no COACH wordmark, no horse-and-carriage, no creed patch, no leather hangtag visible",
        "photo 1-3: smooth high-sheen black material with uniform grain, not matte glove-tanned cowhide with natural scars\/veins",
        "photo 1-3: studio white-background catalog-style product photos of a new fast-fashion bag, not vintage construction"
    ],
    "missing_information": [
        "photo 1-3: interior is not shown; request a fully opened interior, including any leather creed patch or fabric label.",
        "photo 1-3: request close-ups of all hardware, zipper or frame markings, and any hangtag.",
        "photo 1-3: request bottom, side, strap-attachment, and edge-wear photos.",
        "photo 1-3: request material composition and dimensions; the exterior may be synthetic or coated rather than full-grain leather.",
        "photo 1-3: interior views not shown, lining unknown",
        "photo 1-3: creed patch \/ brand stamp not shown",
        "photo 1-3: close-up of hardware engravings not shown",
        "photo 1-3: bottom, corners and scale not shown"
    ],
    "authenticity_concerns": [
        "photo 1: generic bright silver-tone hardware and a non-catalog-looking kiss-lock silhouette are lookalike indicators rather than evidence of Coach manufacture.",
        "photo 1-3: no Coach identifiers are visible, so authenticity cannot be supported from the supplied photos.",
        "photo 1-3: the images appear highly staged or stock-like, limiting assessment of actual construction, interior, and material."
    ],
    "possible_model_reasoning": [
        "The framed kiss-lock shape is not a strong match for the cataloged vintage Coach silhouettes shown in the reference, and no Coach identifier is visible.",
        "The silver-tone hardware and generic construction lean toward a modern unbranded or lookalike handbag rather than a pre-2000 Coach frame bag.",
        "Condition cannot be graded reliably because the supplied images appear product-style and do not show the interior, bottom, or actual wear; visible exterior appears approximately Very Good, pending inspection.",
        "Kiss-lock frame recalls Bonnie Cashin-era kisslock bags in general silhouette only; hardware finish, contrast stitching, strap construction and material are inconsistent with 1960s-1990s Coach",
        "No Coach identifier visible in any photo to support a specific style number",
        "Condition: appears New in product photos; no wear visible on exterior shown (photos 1-3), interior not shown 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": "photo 1-3: bright silver-tone metal frame with paired-ball kiss-lock closure, strap clips, rings, and buckles; no markings are legible.",
        "leather_description": "photo 1-3: smooth black leather-like material is visible, but genuine leather versus synthetic material cannot be determined.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-3: one short rounded handle and one longer adjustable-looking shoulder strap, attached with silver-tone rings\/clips; exact construction is not fully assessable.",
        "stitching_description": "photo 1-3: visible contrasting light stitching runs vertically down the center and along some strap edges; consistency and interior stitching are not assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.001,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a handbag with a framed kiss-lock opening and shoulder straps.",
                    "photo 3: black leather-like exterior and a functional-looking frame construction are visible."
                ],
                "negative_evidence": [
                    "photo 1: bright silver-tone frame and hardware are inconsistent with the solid brass hardware typical of many vintage Coach frame bags.",
                    "photo 1: the centered contrasting double-stitched seam and generic kiss-lock silhouette do not provide a recognizable Coach construction cue.",
                    "photo 2: no Coach wordmark, horse-and-carriage, hangtag, creed patch, or other Coach identifier is visible.",
                    "photo 3: hardware appears generic and plated rather than the understated brass hardware associated with classic vintage Coach.",
                    "Listing title and seller brand identify the bag as unbranded; this is weak context only, not proof of non-Coach manufacture."
                ],
                "missing_information": [
                    "photo 1-3: interior is not shown; request a fully opened interior, including any leather creed patch or fabric label.",
                    "photo 1-3: request close-ups of all hardware, zipper or frame markings, and any hangtag.",
                    "photo 1-3: request bottom, side, strap-attachment, and edge-wear photos.",
                    "photo 1-3: request material composition and dimensions; the exterior may be synthetic or coated rather than full-grain leather."
                ],
                "authenticity_concerns": [
                    "photo 1: generic bright silver-tone hardware and a non-catalog-looking kiss-lock silhouette are lookalike indicators rather than evidence of Coach manufacture.",
                    "photo 1-3: no Coach identifiers are visible, so authenticity cannot be supported from the supplied photos.",
                    "photo 1-3: the images appear highly staged or stock-like, limiting assessment of actual construction, interior, and material."
                ],
                "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 1-3: bright silver-tone metal frame with paired-ball kiss-lock closure, strap clips, rings, and buckles; no markings are legible.",
                    "leather_description": "photo 1-3: smooth black leather-like material is visible, but genuine leather versus synthetic material cannot be determined.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1-3: one short rounded handle and one longer adjustable-looking shoulder strap, attached with silver-tone rings\/clips; exact construction is not fully assessable.",
                    "stitching_description": "photo 1-3: visible contrasting light stitching runs vertically down the center and along some strap edges; consistency and interior stitching are not assessable."
                },
                "possible_model_reasoning": [
                    "The framed kiss-lock shape is not a strong match for the cataloged vintage Coach silhouettes shown in the reference, and no Coach identifier is visible.",
                    "The silver-tone hardware and generic construction lean toward a modern unbranded or lookalike handbag rather than a pre-2000 Coach frame bag.",
                    "Condition cannot be graded reliably because the supplied images appear product-style and do not show the interior, bottom, or actual wear; visible exterior appears approximately Very Good, pending inspection."
                ],
                "confidence": 0.78,
                "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": 0.99,
                "missing_information": [
                    "photo 1-3: interior views not shown, lining unknown",
                    "photo 1-3: creed patch \/ brand stamp not shown",
                    "photo 1-3: close-up of hardware engravings not shown",
                    "photo 1-3: bottom, corners and scale not shown"
                ],
                "negative_evidence": [
                    "photo 1: silver-tone plated kiss-lock frame, not solid brass vintage Coach hardware",
                    "photo 1: white contrast center stitching, not tone-matched Coach stitching",
                    "photo 2: modern rolled top handles with silver end caps and thin adjustable crossbody strap, not Coach glove-tanned strap with brass dogleash clips",
                    "photo 1-3: no COACH wordmark, no horse-and-carriage, no creed patch, no leather hangtag visible",
                    "photo 1-3: smooth high-sheen black material with uniform grain, not matte glove-tanned cowhide with natural scars\/veins",
                    "photo 1-3: studio white-background catalog-style product photos of a new fast-fashion bag, not vintage construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone plated kiss-lock ball clasp frame with matching rings and end caps; bright plated finish, not solid brass turnlock",
                    "leather_description": "black smooth material with slight sheen and uniform faux grain, center seamed panels; does not show glove-tanned texture or patina",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "white contrast straight stitching down center front and back; edge stitching on strap",
                    "strap_construction": "short rolled top handles attached to frame rings plus long thin adjustable crossbody shoulder strap with buckle",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Kiss-lock frame recalls Bonnie Cashin-era kisslock bags in general silhouette only; hardware finish, contrast stitching, strap construction and material are inconsistent with 1960s-1990s Coach",
                    "No Coach identifier visible in any photo to support a specific style number",
                    "Condition: appears New in product photos; no wear visible on exterior shown (photos 1-3), interior not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 20292,
            "output_tokens": 845,
            "total_tokens": 21137,
            "estimated_cost_usd": 0.010145
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 20927,
            "output_tokens": 1347,
            "total_tokens": 22274,
            "estimated_cost_usd": 0.005263
        }
    ]
}