Vintage Coach Hunter

{
    "is_handbag_probability": 0.97,
    "coach_probability": 0.035,
    "vintage_probability": 0.46,
    "authenticity_confidence": 0.035,
    "image_quality_score": 0.71,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.765,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 4: leather shoulder bag with substantial construction and multiple framed compartments",
        "photo 1: gold-tone metal frame hardware and tan leather are broadly compatible with some vintage handbags",
        "photo 4: leather handbag with 1970s-style tan leather consistent with seller-stated 70s vintage"
    ],
    "negative_evidence": [
        "photo 1: three separate kisslock compartments and ornate spherical clasp hardware do not match a recognizable classic Coach silhouette",
        "photo 2: built-in oval mirror and dark synthetic-looking compartment lining are not characteristic evidence of Coach",
        "photo 4: no visible Coach wordmark, horse-and-carriage mark, hangtag, creed patch, or other Coach identifier",
        "photo 4: leather has a glossy, uniformly finished appearance rather than clearly showing vintage glove-tanned Coach characteristics",
        "listing text: seller calls the item unbranded; the seller's claimed 1970s date is not independently supported by the photos",
        "photo 1,2,3: triple kisslock frame compartments with built-in swivel mirror - not a Coach catalog silhouette from 1970s-1990s classics",
        "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 2,3: dark brown fabric-appearing lining in kisslock compartments, not unlined suede-back glove-tanned leather of vintage Coach classics",
        "photo 4: knotted thin shoulder strap attachments and piped panel stitching, not Coach buckle-adjustable or dogleash construction",
        "photo 1-3: bright gold-tone plated kisslock frames, not solid brass turnlock geometry of vintage Coach"
    ],
    "missing_information": [
        "photo 1-4: no straight-on interior back-wall or pocket view showing whether a creed or maker label exists",
        "photo 1-4: no close-up of zipper, clasp, or hardware markings",
        "photo 4: bottom, corners, strap ends, and stitching at stress points are not shown closely",
        "seller-stated dimensions and any country-of-origin information are not provided",
        "photo 1-4: no creed patch shown - request straight-on interior wall\/pocket view in raking light",
        "photo 4: only back exterior shown - request front, sides, bottom with corners",
        "photo 2: mirror mount and interior lining brand stamp not legible - request close-up of any interior labels or stamps",
        "photo 4: hardware brand stamps on kisslock frames not legible - request close-up"
    ],
    "authenticity_concerns": [
        "photo 1-3: ornate kisslock and mirror-compartment construction is more consistent with a generic frame or vanity-style bag than with the Coach catalog silhouettes reviewed",
        "photo 2: no Coach identifier is visible, so Coach manufacture cannot be supported from the available views"
    ],
    "possible_model_reasoning": [
        "The three framed compartments, integral mirror, and decorative kisslock closures do not closely match the listed classic Coach models; no Coach model is proposed.",
        "The seller's 1970s claim is not verifiable because no period label, creed, country line, or Coach hardware mark is visible.",
        "Condition appears Very Good from the visible exterior and interiors, though bottom corners, odor, and full strap condition are unknown.",
        "No Coach model fits: triple kisslock with center mirror compartment, knotted strap, and lined interior does not match City Bag (9790), Willis (9927), Court (9870), Station (5130), Dinky (9375) or Cashin kisslock Swinger\/Chubby Clutch which are single-compartment with different frames",
        "Era reasoning: styling suggests 1970s department-store bag, but without identifiers era for Coach purposes is unknown",
        "Condition: appears clean with uniform color and intact frames in provided views (photo 4 back exterior clean), but no bottom, corners, or full front views shown so no formal grade can be assigned; seller claim of PERFECT not verifiable from photos"
    ],
    "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 1-3: bright gold-tone framed kisslock closures with round decorative knobs; no readable branding visible",
        "leather_description": "photo 4: tan, smooth, glossy leather or leather-like material with uniformly finished panels; natural grain is not clearly visible",
        "lining_description": "photo 2-3: dark brown lining visible inside the framed compartments; material cannot be confirmed from the photos",
        "strap_construction": "photo 4: long shoulder straps with stitched tabs and wrapped\/rolled sections near the upper attachments; full strap condition is not shown",
        "stitching_description": "photo 4: generally straight, contrasting brown stitching is visible around the exterior panels; close stress-point inspection is unavailable"
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0101,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.22,
                "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 4: leather shoulder bag with substantial construction and multiple framed compartments",
                    "photo 1: gold-tone metal frame hardware and tan leather are broadly compatible with some vintage handbags"
                ],
                "negative_evidence": [
                    "photo 1: three separate kisslock compartments and ornate spherical clasp hardware do not match a recognizable classic Coach silhouette",
                    "photo 2: built-in oval mirror and dark synthetic-looking compartment lining are not characteristic evidence of Coach",
                    "photo 4: no visible Coach wordmark, horse-and-carriage mark, hangtag, creed patch, or other Coach identifier",
                    "photo 4: leather has a glossy, uniformly finished appearance rather than clearly showing vintage glove-tanned Coach characteristics",
                    "listing text: seller calls the item unbranded; the seller's claimed 1970s date is not independently supported by the photos"
                ],
                "missing_information": [
                    "photo 1-4: no straight-on interior back-wall or pocket view showing whether a creed or maker label exists",
                    "photo 1-4: no close-up of zipper, clasp, or hardware markings",
                    "photo 4: bottom, corners, strap ends, and stitching at stress points are not shown closely",
                    "seller-stated dimensions and any country-of-origin information are not provided"
                ],
                "authenticity_concerns": [
                    "photo 1-3: ornate kisslock and mirror-compartment construction is more consistent with a generic frame or vanity-style bag than with the Coach catalog silhouettes reviewed",
                    "photo 2: no Coach identifier is visible, so Coach manufacture cannot be supported from the available views"
                ],
                "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 1-3: bright gold-tone framed kisslock closures with round decorative knobs; no readable branding visible",
                    "leather_description": "photo 4: tan, smooth, glossy leather or leather-like material with uniformly finished panels; natural grain is not clearly visible",
                    "lining_description": "photo 2-3: dark brown lining visible inside the framed compartments; material cannot be confirmed from the photos",
                    "strap_construction": "photo 4: long shoulder straps with stitched tabs and wrapped\/rolled sections near the upper attachments; full strap condition is not shown",
                    "stitching_description": "photo 4: generally straight, contrasting brown stitching is visible around the exterior panels; close stress-point inspection is unavailable"
                },
                "possible_model_reasoning": [
                    "The three framed compartments, integral mirror, and decorative kisslock closures do not closely match the listed classic Coach models; no Coach model is proposed.",
                    "The seller's 1970s claim is not verifiable because no period label, creed, country line, or Coach hardware mark is visible.",
                    "Condition appears Very Good from the visible exterior and interiors, though bottom corners, odor, and full strap condition are unknown."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.04,
                "coach_probability": 0.03,
                "confidence": 0.75,
                "estimated_era": "unknown",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo 1-4: no creed patch shown - request straight-on interior wall\/pocket view in raking light",
                    "photo 4: only back exterior shown - request front, sides, bottom with corners",
                    "photo 2: mirror mount and interior lining brand stamp not legible - request close-up of any interior labels or stamps",
                    "photo 4: hardware brand stamps on kisslock frames not legible - request close-up"
                ],
                "negative_evidence": [
                    "photo 1,2,3: triple kisslock frame compartments with built-in swivel mirror - not a Coach catalog silhouette from 1970s-1990s classics",
                    "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 2,3: dark brown fabric-appearing lining in kisslock compartments, not unlined suede-back glove-tanned leather of vintage Coach classics",
                    "photo 4: knotted thin shoulder strap attachments and piped panel stitching, not Coach buckle-adjustable or dogleash construction",
                    "photo 1-3: bright gold-tone plated kisslock frames, not solid brass turnlock geometry of vintage Coach"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone kisslock frames with ball clasps on three compartments (photo 1,2,3); swivel oval mirror on bracket in one compartment (photo 2); no turnlock, no brass dogleash clips visible",
                    "leather_description": "tan \/ British-tan-like smooth leather with sheen, appears thin and uniform (photo 4 exterior, photo 1 interior flaps); texture not glove-tanned full-grain with patina",
                    "lining_description": "dark brown smooth fabric-appearing lining inside kisslock compartments (photo 2,3); not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible edge topstitching forming U-shaped panel on back exterior (photo 4); even but not diagnostic of Coach",
                    "strap_construction": "thin shoulder\/crossbody strap with wrapped-knot attachment at shoulder loops (photo 4); no buckle adjustment or brass clips shown",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 4: leather handbag with 1970s-style tan leather consistent with seller-stated 70s vintage"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: triple kisslock with center mirror compartment, knotted strap, and lined interior does not match City Bag (9790), Willis (9927), Court (9870), Station (5130), Dinky (9375) or Cashin kisslock Swinger\/Chubby Clutch which are single-compartment with different frames",
                    "Era reasoning: styling suggests 1970s department-store bag, but without identifiers era for Coach purposes is unknown",
                    "Condition: appears clean with uniform color and intact frames in provided views (photo 4 back exterior clean), but no bottom, corners, or full front views shown so no formal grade can be assigned; seller claim of PERFECT not verifiable from photos"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.04,
                "vintage_probability": 0.7
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17101,
            "output_tokens": 869,
            "total_tokens": 17970,
            "estimated_cost_usd": 0.008926
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17563,
            "output_tokens": 1436,
            "total_tokens": 18999,
            "estimated_cost_usd": 0.004661
        }
    ]
}