Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.03,
    "vintage_probability": 0.265,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.635,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.765,
    "recommended_max_bid": 11,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: leather crossbody\/hobo handbag with an adjustable strap and top-opening silhouette.",
        "photo 4: visible brown leather body with natural creasing and vertical panel stitching.",
        "photo 1-3: leather handbag with shoulder strap, the population where misidentified Coach could hide"
    ],
    "negative_evidence": [
        "photo 1: front has a circular embossed emblem, but no legible COACH wordmark, horse-and-carriage, or Coach hangtag is visible.",
        "photo 1: the silhouette and vertical-seam construction do not closely match the listed classic Coach models.",
        "photos 1-4: no Coach creed patch, serial\/style number, turnlock, or other clear Coach identifier is visible.",
        "photos 1-3: hardware appears limited to strap rings, buckles, and clips rather than the solid-brass turnlock construction typical of many vintage Coach classics.",
        "photo 1,2,3: soft slouchy zip-top hobo silhouette with knotted strap attachments does not match any vintage Coach catalog style",
        "photo 4: front embossed circular target-like logo is not COACH wordmark or horse-and-carriage",
        "photo 1-4: no creed patch, COACH wordmark, hangtag or turnlock visible",
        "photo 1-4: light contrast stitching and thin knotted adjustable strap construction inconsistent with 1970s-1990s solid-brass glove-tanned Coach classics",
        "photo 1-3: no solid brass turnlock, dogleash clips, or bead-chain hangtag seen"
    ],
    "missing_information": [
        "photo 5: interior, including any sewn-in creed patch or fabric brand tag, is not shown.",
        "photo 6: top zipper, zipper pull, and interior lining are not shown clearly.",
        "photo 7: close-ups of strap hardware, stitching, bottom, and all corners would help assess construction and condition.",
        "photo 8: reverse side of the circular embossed emblem is not shown; seller should identify any readable branding.",
        "interior views including any creed patch, fabric label or lining not shown",
        "bottom, side and close-up hardware views not shown",
        "back plate \/ zipper pull brand stamp not shown",
        "seller-stated dimensions and strap drop not provided"
    ],
    "authenticity_concerns": [
        "photos 1 and 4: the circular embossed emblem appears to be a generic or different-brand logo rather than a Coach identifier.",
        "photos 1-4: the bag lacks visible Coach-specific branding and has a generic hobo construction; it is more consistent with an unbranded or other-brand leather bag than a misidentified vintage Coach classic."
    ],
    "possible_model_reasoning": [
        "No Coach model is a strong match: the visible circular emblem, soft hobo silhouette, and vertical seam layout are generic and do not establish a Coach Soho, Ergo, or other model.",
        "Condition: Good; visible creasing, surface wear, and edge\/corner rubbing are present in photos 1-4. Interior condition, odor, lining, and zipper function are unknown.",
        "No Coach model fits: zip-top slouch hobo with contrast stitching, knotted strap and circular embossed emblem has no match in 1970s-1990s glove-tanned catalog; no identifier to decode",
        "Era reasoning: construction and styling suggest modern generic 2000s+ non-Coach hobo, not NYC\/US creed era",
        "Condition: Good; softening, wrinkling and surface wear throughout (photo 1-3), interior and corners not shown so 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: adjustable leather strap with visible buckle\/loop fittings and metal rings; metal color and zipper hardware are not clearly discernible.",
        "leather_description": "photos 1-4: brown\/cognac leather with a soft, slouchy finish, visible creasing, scuffs, and natural grain; exact leather type is not determinable.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-3: single adjustable leather shoulder\/crossbody strap with buckle holes and attached strap ends; some edge wear and creasing are visible.",
        "stitching_description": "photos 1-4: contrasting light double-row stitching on vertical body seams, generally even but with no Coach-specific construction evidence."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0011,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.28,
                "authenticity_confidence": 0.04,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.05,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: leather crossbody\/hobo handbag with an adjustable strap and top-opening silhouette.",
                    "photo 4: visible brown leather body with natural creasing and vertical panel stitching."
                ],
                "negative_evidence": [
                    "photo 1: front has a circular embossed emblem, but no legible COACH wordmark, horse-and-carriage, or Coach hangtag is visible.",
                    "photo 1: the silhouette and vertical-seam construction do not closely match the listed classic Coach models.",
                    "photos 1-4: no Coach creed patch, serial\/style number, turnlock, or other clear Coach identifier is visible.",
                    "photos 1-3: hardware appears limited to strap rings, buckles, and clips rather than the solid-brass turnlock construction typical of many vintage Coach classics."
                ],
                "missing_information": [
                    "photo 5: interior, including any sewn-in creed patch or fabric brand tag, is not shown.",
                    "photo 6: top zipper, zipper pull, and interior lining are not shown clearly.",
                    "photo 7: close-ups of strap hardware, stitching, bottom, and all corners would help assess construction and condition.",
                    "photo 8: reverse side of the circular embossed emblem is not shown; seller should identify any readable branding."
                ],
                "authenticity_concerns": [
                    "photos 1 and 4: the circular embossed emblem appears to be a generic or different-brand logo rather than a Coach identifier.",
                    "photos 1-4: the bag lacks visible Coach-specific branding and has a generic hobo construction; it is more consistent with an unbranded or other-brand leather bag than a misidentified vintage Coach classic."
                ],
                "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: adjustable leather strap with visible buckle\/loop fittings and metal rings; metal color and zipper hardware are not clearly discernible.",
                    "leather_description": "photos 1-4: brown\/cognac leather with a soft, slouchy finish, visible creasing, scuffs, and natural grain; exact leather type is not determinable.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1-3: single adjustable leather shoulder\/crossbody strap with buckle holes and attached strap ends; some edge wear and creasing are visible.",
                    "stitching_description": "photos 1-4: contrasting light double-row stitching on vertical body seams, generally even but with no Coach-specific construction evidence."
                },
                "possible_model_reasoning": [
                    "No Coach model is a strong match: the visible circular emblem, soft hobo silhouette, and vertical seam layout are generic and do not establish a Coach Soho, Ergo, or other model.",
                    "Condition: Good; visible creasing, surface wear, and edge\/corner rubbing are present in photos 1-4. Interior condition, odor, lining, and zipper function are unknown."
                ],
                "confidence": 0.75,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior views including any creed patch, fabric label or lining not shown",
                    "bottom, side and close-up hardware views not shown",
                    "back plate \/ zipper pull brand stamp not shown",
                    "seller-stated dimensions and strap drop not provided"
                ],
                "negative_evidence": [
                    "photo 1,2,3: soft slouchy zip-top hobo silhouette with knotted strap attachments does not match any vintage Coach catalog style",
                    "photo 4: front embossed circular target-like logo is not COACH wordmark or horse-and-carriage",
                    "photo 1-4: no creed patch, COACH wordmark, hangtag or turnlock visible",
                    "photo 1-4: light contrast stitching and thin knotted adjustable strap construction inconsistent with 1970s-1990s solid-brass glove-tanned Coach classics",
                    "photo 1-3: no solid brass turnlock, dogleash clips, or bead-chain hangtag seen"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "small silver-tone rings at strap attachment visible in photo 1-3; no turnlock, no brass hardware, no zipper pull stamp visible",
                    "leather_description": "soft, slouchy cognac \/ tan brown leather with wrinkling and surface wear, matte finish in photo 1-4",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "light tan contrast double-needle vertical seam detailing on front visible in photo 1,3,4",
                    "strap_construction": "thin flat leather crossbody strap with buckle holes and knotted attachment to body, adjustable, visible in photo 1-3",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-3: leather handbag with shoulder strap, the population where misidentified Coach could hide"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: zip-top slouch hobo with contrast stitching, knotted strap and circular embossed emblem has no match in 1970s-1990s glove-tanned catalog; no identifier to decode",
                    "Era reasoning: construction and styling suggest modern generic 2000s+ non-Coach hobo, not NYC\/US creed era",
                    "Condition: Good; softening, wrinkling and surface wear throughout (photo 1-3), interior and corners not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.25
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16915,
            "output_tokens": 821,
            "total_tokens": 17736,
            "estimated_cost_usd": 0.008736
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17239,
            "output_tokens": 1201,
            "total_tokens": 18440,
            "estimated_cost_usd": 0.004409
        }
    ]
}