Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.15,
    "vintage_probability": 0.375,
    "authenticity_confidence": 0.12,
    "image_quality_score": 0.635,
    "seller_misidentification_probability": 0.15,
    "confidence": 0.595,
    "recommended_max_bid": 11.5,
    "estimated_resale_low": 15,
    "estimated_resale_high": 47.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 2: The item is a substantial leather shoulder handbag with a suede-like interior, not a non-handbag accessory.",
        "photo 6: Leather construction and an interior zip pocket are visible.",
        "photo 6: unlined suede-back interior with interior zip pocket under flap - layout broadly consistent with vintage unlined leather classics",
        "photo 1-3: soft brown leather with aged patina and slouch, seller term patina is plausible for old leather",
        "photo 2: tight even edge stitching on flap"
    ],
    "negative_evidence": [
        "photo 1: The bag has no visible Coach wordmark, horse-and-carriage, hangtag, or creed patch.",
        "photo 2: The closure appears to be a leather knot\/loop rather than a recognizable vintage Coach turnlock.",
        "photo 4: The strap attachment and top hardware do not show the solid-brass, catalog-typical Coach construction clearly.",
        "photo 6: The visible interior has no readable Coach label or creed.",
        "photos 1-6: The silhouette and decorative leather construction are generic and do not closely match the listed classic Coach models.",
        "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1-3: no turnlock or brass hardware visible; closure appears to be unfastened flap with no lock",
        "photo 4-5: fixed shoulder strap joined by leather knot at top - not a Coach buckle-adjustable, dogleash-clip, or dowel-handle construction",
        "photo 1-6: silhouette with center-seam flap and knotted strap does not match a catalog classic City Bag, Willis, Court, Station, or Duffle Sac"
    ],
    "missing_information": [
        "A straight-on photograph of the entire interior, including all pockets and seams.",
        "A close-up of any interior leather patch, fabric tag, zipper pull, or hardware engraving.",
        "A clear photograph of the bottom, both side panels, strap attachment points, and all corners.",
        "Seller-stated dimensions and a close-up of the closure mechanism.",
        "photo 6: creed patch not shown - need straight-on creed patch in raking light",
        "photo 6: interior only partially shown - need emptied interior wall, slip pocket and any fabric tags",
        "photos 1-6: no turnlock, zipper brand stamp, or hardware close-up shown",
        "photos 1-6: no hangtag or COACH wordmark visible - need both faces of hangtag if present",
        "photos 1-6: no bottom, corners, or scale\/dimensions shown"
    ],
    "authenticity_concerns": [
        "photos 1-6: No Coach identifier is visible, so the bag currently reads as an unbranded leather lookalike rather than an identifiable Coach product.",
        "photo 4: The decorative closure and strap construction are not characteristic enough to support a vintage Coach attribution."
    ],
    "possible_model_reasoning": [
        "The bag is a soft, elongated shoulder satchel with a rear zip pocket and unusual leather closure, but it does not closely correspond to a recognizable Coach City Bag, Willis, Court, Station, Dinky, or other listed classic style.",
        "No readable creed, serial, country line, hangtag, or wordmark is present in the provided photos, preventing a Coach-era or model identification.",
        "Condition: Good; substantial creasing, surface wear, and glossy patina are visible in photos 1-3 and 6. Strap integrity, odor, mold, and the full bottom are not established.",
        "No Coach model can be ranked without any hard identifier; knotted fixed strap and absence of turnlock\/brass hardware do not fit Willis (9927), Court (9870), Station (5130), City Bag (9790) or other turnlock classics",
        "Condition: Good to Very Good by photos; leather intact with sheen and patina (photo 2-3), shape slouched but no holes or corner blowouts shown; interior, bottom corners, strap fold and odor unknown 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 4: A leather-wrapped decorative closure or loop is visible; no recognizable Coach brass turnlock or branded hardware is visible.",
        "leather_description": "photos 1-3: Dark brown to nearly black leather with a glossy, heavily worn\/patinated surface and pronounced creasing.",
        "lining_description": "photo 6: A dark brown suede-like interior is visible, with an interior zip pocket; no brand label is visible.",
        "strap_construction": "photos 1, 3-5: A long fixed shoulder strap appears integrated into the bag sides and includes a broad leather shoulder section; no buckle-adjustment or Coach dogleash clips are visible.",
        "stitching_description": "photos 2, 3, 6: Visible stitching is generally neat, with prominent central and perimeter seams; close stress-point inspection is limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0082,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.08,
                "vintage_probability": 0.25,
                "authenticity_confidence": 0.06,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 2: The item is a substantial leather shoulder handbag with a suede-like interior, not a non-handbag accessory.",
                    "photo 6: Leather construction and an interior zip pocket are visible."
                ],
                "negative_evidence": [
                    "photo 1: The bag has no visible Coach wordmark, horse-and-carriage, hangtag, or creed patch.",
                    "photo 2: The closure appears to be a leather knot\/loop rather than a recognizable vintage Coach turnlock.",
                    "photo 4: The strap attachment and top hardware do not show the solid-brass, catalog-typical Coach construction clearly.",
                    "photo 6: The visible interior has no readable Coach label or creed.",
                    "photos 1-6: The silhouette and decorative leather construction are generic and do not closely match the listed classic Coach models."
                ],
                "missing_information": [
                    "A straight-on photograph of the entire interior, including all pockets and seams.",
                    "A close-up of any interior leather patch, fabric tag, zipper pull, or hardware engraving.",
                    "A clear photograph of the bottom, both side panels, strap attachment points, and all corners.",
                    "Seller-stated dimensions and a close-up of the closure mechanism."
                ],
                "authenticity_concerns": [
                    "photos 1-6: No Coach identifier is visible, so the bag currently reads as an unbranded leather lookalike rather than an identifiable Coach product.",
                    "photo 4: The decorative closure and strap construction are not characteristic enough to support a vintage Coach attribution."
                ],
                "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 4: A leather-wrapped decorative closure or loop is visible; no recognizable Coach brass turnlock or branded hardware is visible.",
                    "leather_description": "photos 1-3: Dark brown to nearly black leather with a glossy, heavily worn\/patinated surface and pronounced creasing.",
                    "lining_description": "photo 6: A dark brown suede-like interior is visible, with an interior zip pocket; no brand label is visible.",
                    "strap_construction": "photos 1, 3-5: A long fixed shoulder strap appears integrated into the bag sides and includes a broad leather shoulder section; no buckle-adjustment or Coach dogleash clips are visible.",
                    "stitching_description": "photos 2, 3, 6: Visible stitching is generally neat, with prominent central and perimeter seams; close stress-point inspection is limited."
                },
                "possible_model_reasoning": [
                    "The bag is a soft, elongated shoulder satchel with a rear zip pocket and unusual leather closure, but it does not closely correspond to a recognizable Coach City Bag, Willis, Court, Station, Dinky, or other listed classic style.",
                    "No readable creed, serial, country line, hangtag, or wordmark is present in the provided photos, preventing a Coach-era or model identification.",
                    "Condition: Good; substantial creasing, surface wear, and glossy patina are visible in photos 1-3 and 6. Strap integrity, odor, mold, and the full bottom are not established."
                ],
                "confidence": 0.74,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.18,
                "coach_probability": 0.22,
                "confidence": 0.45,
                "estimated_era": "unknown",
                "estimated_resale_high": 60,
                "estimated_resale_low": 20,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 6: creed patch not shown - need straight-on creed patch in raking light",
                    "photo 6: interior only partially shown - need emptied interior wall, slip pocket and any fabric tags",
                    "photos 1-6: no turnlock, zipper brand stamp, or hardware close-up shown",
                    "photos 1-6: no hangtag or COACH wordmark visible - need both faces of hangtag if present",
                    "photos 1-6: no bottom, corners, or scale\/dimensions shown"
                ],
                "negative_evidence": [
                    "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1-3: no turnlock or brass hardware visible; closure appears to be unfastened flap with no lock",
                    "photo 4-5: fixed shoulder strap joined by leather knot at top - not a Coach buckle-adjustable, dogleash-clip, or dowel-handle construction",
                    "photo 1-6: silhouette with center-seam flap and knotted strap does not match a catalog classic City Bag, Willis, Court, Station, or Duffle Sac"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "no metal hardware visible in photos 1-6; interior zipper in photo 6 with small dark pull, brand stamp not_visible",
                    "leather_description": "photo 1-3,6: dark brown soft leather with sheen and patina, wrinkling and slouch consistent with aged glove-type leather but texture not clearly resolved",
                    "lining_description": "photo 6: appears unlined with suede-back flap underside and leather body; full lining construction not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 2-3: center seam double stitching on flap; edge stitching around flap, even but close-up detail not_visible",
                    "strap_construction": "photo 1,3-5: wide fixed single shoulder strap sewn to body, gathered at shoulder and tied in knot at top; no buckle, clips, or adjustment visible",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 6: unlined suede-back interior with interior zip pocket under flap - layout broadly consistent with vintage unlined leather classics",
                    "photo 1-3: soft brown leather with aged patina and slouch, seller term patina is plausible for old leather",
                    "photo 2: tight even edge stitching on flap"
                ],
                "possible_model_reasoning": [
                    "No Coach model can be ranked without any hard identifier; knotted fixed strap and absence of turnlock\/brass hardware do not fit Willis (9927), Court (9870), Station (5130), City Bag (9790) or other turnlock classics",
                    "Condition: Good to Very Good by photos; leather intact with sheen and patina (photo 2-3), shape slouched but no holes or corner blowouts shown; interior, bottom corners, strap fold and odor unknown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.22,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28538,
            "output_tokens": 844,
            "total_tokens": 29382,
            "estimated_cost_usd": 0.013441
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 29902,
            "output_tokens": 1362,
            "total_tokens": 31264,
            "estimated_cost_usd": 0.00707
        }
    ]
}