Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.575,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.71,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.83,
    "recommended_max_bid": 11,
    "estimated_resale_low": 15,
    "estimated_resale_high": 45,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather handbag with a flap, shoulder strap, and metal closure",
        "photo 1: substantial leather construction and aged appearance are compatible with a vintage handmade bag",
        "photo 1: leather handbag with brass-tone flap lock and leather shoulder strap - broad population where misidentified Coach hides, but no specific Coach identifier"
    ],
    "negative_evidence": [
        "photo 1: extensive floral and scroll tooling across the entire exterior is not characteristic of the classic Coach catalog styles",
        "photo 1: prominent dark whipstitched edging and a generic rectangular rotating clasp do not match typical vintage Coach turnlock geometry",
        "photo 1: no visible COACH wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier",
        "photo 4: reverse side is also heavily tooled and shows no Coach branding",
        "photo 1: the bag has a strongly western\/artisan construction unlike the smooth, minimally decorated glove-tanned Coach classics",
        "photo 1: entire exterior covered in hand-tooled Western floral carving - Coach vintage classics are smooth glove-tanned, never all-over tooled floral",
        "photo 1, 2, 4: edges finished with whipstitch \/ lacing cord around flap and body - never used on vintage Coach classics",
        "photo 1-3: flap lock is small oval twist \/ clasp plate, not Coach Cashin turnlock geometry with wide thin back plate and slim rounded tab",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 1: thin flat unadjustable-appearing shoulder strap with no brass buckle slide or dogleash clips typical of Coach"
    ],
    "missing_information": [
        "photo 1-7: interior is not shown; request a fully opened interior, lining, pockets, and any sewn-in labels",
        "photo 1-7: no close-up of the strap attachments, underside, bottom, or all corners",
        "photo 1-7: request any interior leather patch, maker stamp, country mark, or fabric tag",
        "interior views including back wall \/ pocket where creed would sit not shown (photos 1-6 are exterior only)",
        "creed patch close-up in raking light not shown",
        "hangtag both faces not shown",
        "hardware stamps \/ zipper brand not shown",
        "bottom \/ corners \/ strap fold and dimensions not shown"
    ],
    "authenticity_concerns": [
        "photo 1: generic western tooled-leather construction and hardware provide no meaningful evidence of Coach manufacture",
        "photo 1: the clasp is a lookalike-style rotating closure rather than a clearly identifiable Coach turnlock",
        "photo 1: absence of visible branding is not independently disqualifying, but combined with the non-Coach tooling and construction it strongly favors an unbranded artisan or western bag"
    ],
    "possible_model_reasoning": [
        "No Coach catalog model is a strong match: the full-surface floral tooling, whipstitched perimeter, and western artisan silhouette do not fit the listed classic Coach styles.",
        "Era cannot be reliably dated from the exterior alone; the worn leather suggests age, but no Coach-era identifier is visible.",
        "Condition: Good; extensive surface wear, darkened edging, and visible scuffs\/patina are present in photos 1-7; interior, odor, lining, and strap underside remain unknown.",
        "No Coach model fits: silhouette is small flap purse with all-over Western tooling and laced edges, inconsistent with any catalog style in 4.1-4.2; Coach never offered tooled floral with whipstitch construction",
        "Era reasoning: tooled Western bags of this type are typically 1960s-1970s handmade \/ hobby \/ Western shop work, but without interior, labels or hardware marks date cannot be confirmed from photos, emitted as non-Coach",
        "Condition: Good to Very Good for age based on exterior only; photos 1-6 show surface wear, darkening, scuffs and tarnished clasp but no tears or missing lacing visible; 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": true,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1: small brass-tone rectangular rotating clasp with a cylindrical central bar; hardware is visibly aged and not marked COACH",
        "leather_description": "photos 1-7: brown leather exterior with extensive raised floral and scroll tooling, contrasting darkened recessed areas, and substantial wear or patina",
        "lining_description": "not_visible - interior never shown",
        "strap_construction": "photo 1: single narrow leather shoulder strap attached at the upper sides; attachment construction is only partly visible",
        "stitching_description": "photos 1-7: decorative dark whipstitching runs around the flap and body edges; stitching appears prominent and artisan\/western in style"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.002,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.55,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather handbag with a flap, shoulder strap, and metal closure",
                    "photo 1: substantial leather construction and aged appearance are compatible with a vintage handmade bag"
                ],
                "negative_evidence": [
                    "photo 1: extensive floral and scroll tooling across the entire exterior is not characteristic of the classic Coach catalog styles",
                    "photo 1: prominent dark whipstitched edging and a generic rectangular rotating clasp do not match typical vintage Coach turnlock geometry",
                    "photo 1: no visible COACH wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier",
                    "photo 4: reverse side is also heavily tooled and shows no Coach branding",
                    "photo 1: the bag has a strongly western\/artisan construction unlike the smooth, minimally decorated glove-tanned Coach classics"
                ],
                "missing_information": [
                    "photo 1-7: interior is not shown; request a fully opened interior, lining, pockets, and any sewn-in labels",
                    "photo 1-7: no close-up of the strap attachments, underside, bottom, or all corners",
                    "photo 1-7: request any interior leather patch, maker stamp, country mark, or fabric tag"
                ],
                "authenticity_concerns": [
                    "photo 1: generic western tooled-leather construction and hardware provide no meaningful evidence of Coach manufacture",
                    "photo 1: the clasp is a lookalike-style rotating closure rather than a clearly identifiable Coach turnlock",
                    "photo 1: absence of visible branding is not independently disqualifying, but combined with the non-Coach tooling and construction it strongly favors an unbranded artisan or western bag"
                ],
                "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: small brass-tone rectangular rotating clasp with a cylindrical central bar; hardware is visibly aged and not marked COACH",
                    "leather_description": "photos 1-7: brown leather exterior with extensive raised floral and scroll tooling, contrasting darkened recessed areas, and substantial wear or patina",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: single narrow leather shoulder strap attached at the upper sides; attachment construction is only partly visible",
                    "stitching_description": "photos 1-7: decorative dark whipstitching runs around the flap and body edges; stitching appears prominent and artisan\/western in style"
                },
                "possible_model_reasoning": [
                    "No Coach catalog model is a strong match: the full-surface floral tooling, whipstitched perimeter, and western artisan silhouette do not fit the listed classic Coach styles.",
                    "Era cannot be reliably dated from the exterior alone; the worn leather suggests age, but no Coach-era identifier is visible.",
                    "Condition: Good; extensive surface wear, darkened edging, and visible scuffs\/patina are present in photos 1-7; interior, odor, lining, and strap underside remain unknown."
                ],
                "confidence": 0.86,
                "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": 0.8,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 45,
                "estimated_resale_low": 15,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior views including back wall \/ pocket where creed would sit not shown (photos 1-6 are exterior only)",
                    "creed patch close-up in raking light not shown",
                    "hangtag both faces not shown",
                    "hardware stamps \/ zipper brand not shown",
                    "bottom \/ corners \/ strap fold and dimensions not shown"
                ],
                "negative_evidence": [
                    "photo 1: entire exterior covered in hand-tooled Western floral carving - Coach vintage classics are smooth glove-tanned, never all-over tooled floral",
                    "photo 1, 2, 4: edges finished with whipstitch \/ lacing cord around flap and body - never used on vintage Coach classics",
                    "photo 1-3: flap lock is small oval twist \/ clasp plate, not Coach Cashin turnlock geometry with wide thin back plate and slim rounded tab",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 1: thin flat unadjustable-appearing shoulder strap with no brass buckle slide or dogleash clips typical of Coach"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone oval flap clasp with central barrel in photos 1-3, aged\/tarnished; strap attachments not clearly shown; no COACH engraving visible",
                    "leather_description": "medium-brown vegetable-tanned leather with all-over hand-tooled floral and scroll carving, darker antiqued background, glossy worn patina visible in photos 1-6",
                    "lining_description": "not_visible - interior never shown",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "no conventional stitching visible; perimeter joined with dark whipstitch \/ laced thong in photos 1-6",
                    "strap_construction": "thin flat brown leather shoulder strap visible in photo 1 and 4, details of adjustment holes, buckle or clips not_visible",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 1: leather handbag with brass-tone flap lock and leather shoulder strap - broad population where misidentified Coach hides, but no specific Coach identifier"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette is small flap purse with all-over Western tooling and laced edges, inconsistent with any catalog style in 4.1-4.2; Coach never offered tooled floral with whipstitch construction",
                    "Era reasoning: tooled Western bags of this type are typically 1960s-1970s handmade \/ hobby \/ Western shop work, but without interior, labels or hardware marks date cannot be confirmed from photos, emitted as non-Coach",
                    "Condition: Good to Very Good for age based on exterior only; photos 1-6 show surface wear, darkening, scuffs and tarnished clasp but no tears or missing lacing visible; interior, bottom corners, strap fold and odor unknown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.6
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28776,
            "output_tokens": 840,
            "total_tokens": 29616,
            "estimated_cost_usd": 0.013526
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30090,
            "output_tokens": 1570,
            "total_tokens": 31660,
            "estimated_cost_usd": 0.007274
        }
    ]
}