Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.035,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.735,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.825,
    "recommended_max_bid": 9,
    "estimated_resale_low": 10,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with multiple exterior pockets, zip closures, top handles, and a detachable shoulder strap.",
        "photo 1: Leather-like pebbled material and metal-tone hardware are visible, but these features are common among many non-Coach handbags.",
        "photo 1, photo 2: object is a handbag\/shoulder bag with handles and detachable strap"
    ],
    "negative_evidence": [
        "photo 1: No legible COACH wordmark, horse-and-carriage, creed patch, or recognizable Coach branding is visible.",
        "photo 1: Metallic pewter finish, heavily braided decorative strap panels, quilted\/riveted handle attachments, and numerous zippered compartments do not match the typical construction of classic vintage Coach glove-tanned bags.",
        "photo 3: Interior appears fabric-lined and no creed patch or Coach fabric tag is visible.",
        "photo 5: Hardware appears mixed or varied in tone and includes decorative fittings inconsistent with a straightforward vintage Coach classic.",
        "photo 1: The bag has a contemporary embellished fashion-bag appearance rather than a documented vintage Coach silhouette.",
        "photo 1, photo 2: no COACH wordmark, horse-and-carriage, creed patch or leather hangtag visible",
        "photo 1, photo 2: metallic pewter pebbled coated material with sheen, not vintage Coach glove-tanned cowhide",
        "photo 1, photo 2: braided vertical trim, riveted handle tabs, exterior zip pocket styling not found in Coach catalog styles",
        "photo 3: fully lined in black fabric, not unlined suede-back glove-tanned classic construction",
        "photo 4: unbranded antiqued brass-tone zipper pull and hardware with no Coach engraving, no turnlock"
    ],
    "missing_information": [
        "photo 3: A full, well-lit interior-wall photo is needed to confirm whether any brand label or creed patch is hidden.",
        "photo 1: Close-ups of every zipper pull, hardware face, and strap attachment could identify another manufacturer.",
        "No bottom, side, or rear-brand-label close-up was provided.",
        "Seller-stated material composition and dimensions are unavailable.",
        "photo of any interior leather creed patch or fabric brand tag in raking light",
        "photo of bottom and corners",
        "photo of hangtag both faces if present",
        "close-up of any COACH wordmark or hardware engraving"
    ],
    "authenticity_concerns": [
        "photo 1: The decorative construction and metallic finish are more consistent with a generic modern lookalike or mall-brand bag than Coach.",
        "photo 3: No Coach identifier is visible in the available interior view; this prevents any positive Coach attribution."
    ],
    "possible_model_reasoning": [
        "photo 1: The large soft handbag with multiple zip pockets and detachable shoulder strap does not closely match the listed classic Coach silhouettes.",
        "photo 3: Fabric lining and lack of a visible creed or wordmark support a modern non-Coach classification, though the available interior view is incomplete.",
        "photo 1: Condition appears Good to Very Good: visible creasing and handling wrinkles, but no obvious major tears or broken hardware; bottom, corners, odor, and strap wear are not fully documented.",
        "photo 1: Because no plausible Coach model or identifier is visible, resale should be estimated as a generic secondhand fashion handbag rather than a Coach item.",
        "No Coach silhouette match: braided trim, riveted tab handles, metallic finish and multi-pocket slouch hobo construction do not correspond to City Bag, Willis, Court, Station or other classics",
        "No hard identifiers: no creed, serial, wordmark, hangtag or turnlock visible in any photo",
        "Construction points to modern non-Coach fast-fashion: coated metallic material plus full fabric lining",
        "Condition: Good to Very Good; surface appears intact with no major wear shown, but bottom, corners and odor not assessable"
    ],
    "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: Gold-tone and darker metal-tone rings, rivets, clasps, and multiple zipper pulls are visible; no Coach engraving is legible.",
        "leather_description": "photo 1: Dark pewter metallic, pebbled, soft-looking leather-like material with decorative quilted and braided elements; material cannot be confirmed as genuine leather.",
        "lining_description": "photo 3: Dark fabric lining is visible inside the main compartment, with an interior slip pocket; no brand label or creed is visible.",
        "strap_construction": "photo 1: Two padded top handles with riveted attachments, braided decorative vertical panels, and a long detachable shoulder strap with metal clips.",
        "stitching_description": "photo 1: Visible machine stitching appears generally even around pockets, handles, and trim; close-up quality is insufficient for finer construction assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0012,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with multiple exterior pockets, zip closures, top handles, and a detachable shoulder strap.",
                    "photo 1: Leather-like pebbled material and metal-tone hardware are visible, but these features are common among many non-Coach handbags."
                ],
                "negative_evidence": [
                    "photo 1: No legible COACH wordmark, horse-and-carriage, creed patch, or recognizable Coach branding is visible.",
                    "photo 1: Metallic pewter finish, heavily braided decorative strap panels, quilted\/riveted handle attachments, and numerous zippered compartments do not match the typical construction of classic vintage Coach glove-tanned bags.",
                    "photo 3: Interior appears fabric-lined and no creed patch or Coach fabric tag is visible.",
                    "photo 5: Hardware appears mixed or varied in tone and includes decorative fittings inconsistent with a straightforward vintage Coach classic.",
                    "photo 1: The bag has a contemporary embellished fashion-bag appearance rather than a documented vintage Coach silhouette."
                ],
                "missing_information": [
                    "photo 3: A full, well-lit interior-wall photo is needed to confirm whether any brand label or creed patch is hidden.",
                    "photo 1: Close-ups of every zipper pull, hardware face, and strap attachment could identify another manufacturer.",
                    "No bottom, side, or rear-brand-label close-up was provided.",
                    "Seller-stated material composition and dimensions are unavailable."
                ],
                "authenticity_concerns": [
                    "photo 1: The decorative construction and metallic finish are more consistent with a generic modern lookalike or mall-brand bag than Coach.",
                    "photo 3: No Coach identifier is visible in the available interior view; this prevents any positive 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 1: Gold-tone and darker metal-tone rings, rivets, clasps, and multiple zipper pulls are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1: Dark pewter metallic, pebbled, soft-looking leather-like material with decorative quilted and braided elements; material cannot be confirmed as genuine leather.",
                    "lining_description": "photo 3: Dark fabric lining is visible inside the main compartment, with an interior slip pocket; no brand label or creed is visible.",
                    "strap_construction": "photo 1: Two padded top handles with riveted attachments, braided decorative vertical panels, and a long detachable shoulder strap with metal clips.",
                    "stitching_description": "photo 1: Visible machine stitching appears generally even around pockets, handles, and trim; close-up quality is insufficient for finer construction assessment."
                },
                "possible_model_reasoning": [
                    "photo 1: The large soft handbag with multiple zip pockets and detachable shoulder strap does not closely match the listed classic Coach silhouettes.",
                    "photo 3: Fabric lining and lack of a visible creed or wordmark support a modern non-Coach classification, though the available interior view is incomplete.",
                    "photo 1: Condition appears Good to Very Good: visible creasing and handling wrinkles, but no obvious major tears or broken hardware; bottom, corners, odor, and strap wear are not fully documented.",
                    "photo 1: Because no plausible Coach model or identifier is visible, resale should be estimated as a generic secondhand fashion handbag rather than a Coach item."
                ],
                "confidence": 0.83,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.82,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of any interior leather creed patch or fabric brand tag in raking light",
                    "photo of bottom and corners",
                    "photo of hangtag both faces if present",
                    "close-up of any COACH wordmark or hardware engraving"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: no COACH wordmark, horse-and-carriage, creed patch or leather hangtag visible",
                    "photo 1, photo 2: metallic pewter pebbled coated material with sheen, not vintage Coach glove-tanned cowhide",
                    "photo 1, photo 2: braided vertical trim, riveted handle tabs, exterior zip pocket styling not found in Coach catalog styles",
                    "photo 3: fully lined in black fabric, not unlined suede-back glove-tanned classic construction",
                    "photo 4: unbranded antiqued brass-tone zipper pull and hardware with no Coach engraving, no turnlock"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "antiqued brass-tone rings, dome rivets, zipper pulls and dogleash-type clips; unbranded, no COACH engraving visible; no turnlock",
                    "leather_description": "pewter metallic pebbled material with high sheen, slouchy hand; does not read as vintage glove-tanned cowhide, appears coated\/faux",
                    "lining_description": "black fabric lining visible in photo 3 interior, with interior slip pocket",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even machine stitching around pockets and trim, thread matched to body",
                    "strap_construction": "two short shoulder handles attached via riveted tabs and metal rings plus detachable long crossbody strap on clips visible in photo 1 and photo 2",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1, photo 2: object is a handbag\/shoulder bag with handles and detachable strap"
                ],
                "possible_model_reasoning": [
                    "No Coach silhouette match: braided trim, riveted tab handles, metallic finish and multi-pocket slouch hobo construction do not correspond to City Bag, Willis, Court, Station or other classics",
                    "No hard identifiers: no creed, serial, wordmark, hangtag or turnlock visible in any photo",
                    "Construction points to modern non-Coach fast-fashion: coated metallic material plus full fabric lining",
                    "Condition: Good to Very Good; surface appears intact with no major wear shown, but bottom, corners and odor not assessable"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 24216,
            "output_tokens": 847,
            "total_tokens": 25063,
            "estimated_cost_usd": 0.011719
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 25186,
            "output_tokens": 1273,
            "total_tokens": 26459,
            "estimated_cost_usd": 0.006056
        }
    ]
}