Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.55,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.845,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.89,
    "recommended_max_bid": 16,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 50,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a structured leather handbag with two handles, flap closure, and multiple compartments",
        "photo 1: substantial tooled floral leather construction is visible",
        "photo 1-6: leather handbag with brass-tone hardware - general population where vintage could hide, but no specific Coach identifier",
        "photo 6: unlined leather interior consistent with older leather bags generally, not specific to Coach"
    ],
    "negative_evidence": [
        "photo 1: elaborate all-over Western floral tooling is not characteristic of the cataloged vintage Coach classic lines",
        "photo 1: large horizontal decorative clasp is unlike the typical vintage Coach oval turnlock geometry",
        "photo 6: interior shows two zippered compartments and a leather interior, but no visible Coach creed or wordmark",
        "photo 1: no Coach hangtag, horse-and-carriage mark, or other legible Coach identifier is visible",
        "photo 3: visible construction and tooling are more consistent with an unbranded artisan or Western-style leather bag",
        "photo 1, photo 3: all-over tooled floral western motif with darkened carving - Coach never produced this finish on classics",
        "photo 1, photo 5: closure is elongated pointed-oval twist plate, not Coach wide thin oval turnlock with slim rounded tab and plain keeper",
        "photo 6: accordion interior with two full zip compartments plus open sections - not Coach classic unlined single-compartment layout",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 3: fixed dual rolled top handles attached in loops, not Coach buckle-adjustable \/ dogleash \/ dowel construction",
        "photo 5: four base studs\/feet with tarnish, not Coach Station\/Court foot construction"
    ],
    "missing_information": [
        "Straight-on close-up of every interior wall and pocket for a possible creed or maker stamp",
        "Close-up of zipper pulls, clasp, hardware backs, and any interior labels",
        "Photo of the underside, all corners, and handle attachment points",
        "Seller-stated dimensions and any information about country of manufacture",
        "photo of interior back wall \/ slip pocket for creed patch straight-on in raking light",
        "photo of any brand stamp, Made-in line, or zipper-pull brand marks",
        "photo of hangtag both faces if present",
        "seller-stated dimensions for scale"
    ],
    "authenticity_concerns": [
        "The bag lacks any visible Coach identifier and its decorative tooling and clasp do not match the usual vintage Coach construction cues",
        "The ornate tooling and generic hardware suggest a non-Coach lookalike or independent artisan bag rather than a Coach product",
        "photo 1, photo 3: all-over hand-tooled floral western carving is inconsistent with any Coach production leather\/finish",
        "photo 1, photo 5: elongated diamond \/ lozenge twist-lock plate geometry does not match Coach Cashin turnlock geometry"
    ],
    "possible_model_reasoning": [
        "No Coach model is a good match: the ornate tooling, compartmented satchel layout, and decorative clasp are inconsistent with the listed vintage Coach classic silhouettes.",
        "The seller's 'vintage' wording is unverified by a visible date code, creed, or maker label; the bag may be older, but its production era cannot be determined from the photos.",
        "Condition: Good to Fair; visible edge wear, surface scratches, handle wear, fraying at upper edges, and worn hardware finish. Interior is shown and appears usable, but odor and hidden damage are unknown.",
        "No Coach catalog match: tooled western floral satchel with dual rolled handles, diamond twist-lock, and triple-compartment zip interior does not correspond to City Bag, Willis, Court, Station, Dinky or other classic styles",
        "Era reasoning: construction and tooling suggest 1960s-1970s Mexican \/ western tooled bag type, but without identifiers cannot assign Coach era; emitted as non-Coach",
        "Condition: Good; edge wear \/ fraying at flap sides (photo 2, photo 4), bottom corner rubbing and tarnished feet (photo 5), handle darkening\/patina (photo 1-3), interior soiling not fully assessable (photo 6)"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": true,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1: horizontal gold-tone decorative clasp with a small central turning tab; no Coach engraving is visible",
        "leather_description": "photo 1: brown leather with extensive hand-tooled floral and scroll decoration; surface shows patina, scratches, and edge wear",
        "lining_description": "photo 6: apparently unlined or leather-lined interior with multiple leather dividers and two zippered compartments; no fabric label is visible",
        "strap_construction": "photos 1 and 3: two fixed rolled leather top handles attached with stitched leather tabs; handles show wear and cracking\/creasing",
        "stitching_description": "photos 1, 2, 3, and 5: generally visible machine stitching around panels and edges, with worn or frayed areas at the top edges and corners"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0027,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.45,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.94,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a structured leather handbag with two handles, flap closure, and multiple compartments",
                    "photo 1: substantial tooled floral leather construction is visible"
                ],
                "negative_evidence": [
                    "photo 1: elaborate all-over Western floral tooling is not characteristic of the cataloged vintage Coach classic lines",
                    "photo 1: large horizontal decorative clasp is unlike the typical vintage Coach oval turnlock geometry",
                    "photo 6: interior shows two zippered compartments and a leather interior, but no visible Coach creed or wordmark",
                    "photo 1: no Coach hangtag, horse-and-carriage mark, or other legible Coach identifier is visible",
                    "photo 3: visible construction and tooling are more consistent with an unbranded artisan or Western-style leather bag"
                ],
                "missing_information": [
                    "Straight-on close-up of every interior wall and pocket for a possible creed or maker stamp",
                    "Close-up of zipper pulls, clasp, hardware backs, and any interior labels",
                    "Photo of the underside, all corners, and handle attachment points",
                    "Seller-stated dimensions and any information about country of manufacture"
                ],
                "authenticity_concerns": [
                    "The bag lacks any visible Coach identifier and its decorative tooling and clasp do not match the usual vintage Coach construction cues",
                    "The ornate tooling and generic hardware suggest a non-Coach lookalike or independent artisan bag rather than a Coach product"
                ],
                "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": true,
                    "hangtag_present": false,
                    "hardware_description": "photo 1: horizontal gold-tone decorative clasp with a small central turning tab; no Coach engraving is visible",
                    "leather_description": "photo 1: brown leather with extensive hand-tooled floral and scroll decoration; surface shows patina, scratches, and edge wear",
                    "lining_description": "photo 6: apparently unlined or leather-lined interior with multiple leather dividers and two zippered compartments; no fabric label is visible",
                    "strap_construction": "photos 1 and 3: two fixed rolled leather top handles attached with stitched leather tabs; handles show wear and cracking\/creasing",
                    "stitching_description": "photos 1, 2, 3, and 5: generally visible machine stitching around panels and edges, with worn or frayed areas at the top edges and corners"
                },
                "possible_model_reasoning": [
                    "No Coach model is a good match: the ornate tooling, compartmented satchel layout, and decorative clasp are inconsistent with the listed vintage Coach classic silhouettes.",
                    "The seller's 'vintage' wording is unverified by a visible date code, creed, or maker label; the bag may be older, but its production era cannot be determined from the photos.",
                    "Condition: Good to Fair; visible edge wear, surface scratches, handle wear, fraying at upper edges, and worn hardware finish. Interior is shown and appears usable, but odor and hidden damage are unknown."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 20,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1, photo 3: all-over hand-tooled floral western carving is inconsistent with any Coach production leather\/finish",
                    "photo 1, photo 5: elongated diamond \/ lozenge twist-lock plate geometry does not match Coach Cashin turnlock geometry"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 40,
                "estimated_resale_low": 15,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior back wall \/ slip pocket for creed patch straight-on in raking light",
                    "photo of any brand stamp, Made-in line, or zipper-pull brand marks",
                    "photo of hangtag both faces if present",
                    "seller-stated dimensions for scale"
                ],
                "negative_evidence": [
                    "photo 1, photo 3: all-over tooled floral western motif with darkened carving - Coach never produced this finish on classics",
                    "photo 1, photo 5: closure is elongated pointed-oval twist plate, not Coach wide thin oval turnlock with slim rounded tab and plain keeper",
                    "photo 6: accordion interior with two full zip compartments plus open sections - not Coach classic unlined single-compartment layout",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 3: fixed dual rolled top handles attached in loops, not Coach buckle-adjustable \/ dogleash \/ dowel construction",
                    "photo 5: four base studs\/feet with tarnish, not Coach Station\/Court foot construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone elongated diamond \/ marquise twist-lock on flap front (photo 1) with loop receiver on body (photo 5); four dome base studs with tarnish (photo 5); metal zippers in interior dividers (photo 6), brand stamps not_visible",
                    "leather_description": "medium-brown smooth leather with all-over hand-tooled floral \/ scroll carving on front, back, flap and bottom, darker antiquing in tooled recesses (photo 1, photo 3, photo 5)",
                    "lining_description": "appears unlined tan leather \/ suede-side interior, two zippered center dividers creating three compartments, one rear slip area (photo 6); fabric lining not seen",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-on-tone straight stitching around flap edge and body panels visible (photo 1, photo 3); detail limited by resolution",
                    "strap_construction": "dual fixed rolled leather top handles, stitched into body tabs (photo 1, photo 3); no buckle adjustment, no detachable clips visible",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 1-6: leather handbag with brass-tone hardware - general population where vintage could hide, but no specific Coach identifier",
                    "photo 6: unlined leather interior consistent with older leather bags generally, not specific to Coach"
                ],
                "possible_model_reasoning": [
                    "No Coach catalog match: tooled western floral satchel with dual rolled handles, diamond twist-lock, and triple-compartment zip interior does not correspond to City Bag, Willis, Court, Station, Dinky or other classic styles",
                    "Era reasoning: construction and tooling suggest 1960s-1970s Mexican \/ western tooled bag type, but without identifiers cannot assign Coach era; emitted as non-Coach",
                    "Condition: Good; edge wear \/ fraying at flap sides (photo 2, photo 4), bottom corner rubbing and tarnished feet (photo 5), handle darkening\/patina (photo 1-3), interior soiling not fully assessable (photo 6)"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.65
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 29379,
            "output_tokens": 871,
            "total_tokens": 30250,
            "estimated_cost_usd": 0.013842
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30944,
            "output_tokens": 1836,
            "total_tokens": 32780,
            "estimated_cost_usd": 0.007658
        }
    ]
}