Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.815,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.9,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a large shoulder tote with two long straps",
        "photo 3: seller-provided dimensions show an approximately 14.2\u201315 inch wide tote"
    ],
    "negative_evidence": [
        "photo 1: no visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier",
        "photo 1: thin, highly glossy, heavily pebbled-looking material and soft fashion-tote construction do not resemble classic glove-tanned Coach leather",
        "photo 2: hardware appears minimal and modern rather than the solid-brass hardware associated with many vintage Coach classics",
        "photo 4: interior appears fabric-lined and includes a modern zippered compartment; no creed patch is visible",
        "photo 5: decorative strap-anchor shapes are not a recognizable Coach identifier",
        "photo 1: listing is presented as an unbranded generic tote and the seller description provides no Coach-specific evidence",
        "photo 1,3,6: large open-top tote with sewn-on flat shoulder straps, no turnlock, no flap, no Coach silhouette match",
        "photo 1,2,3,5,6: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible",
        "photo 4: black synthetic fabric lining with top zip, not unlined suede-back glove-tanned leather",
        "photo 2: gold-tone unbranded rectangular zipper pulls, not solid brass Talon\/YKK vintage hardware",
        "photo 1,2,3,5: thin, shiny, uniform faux-leather grain with soft slouch, not full-grain glove-tanned cowhide",
        "photo 2,3,4,5,6: catalog\/stock-style composite images with dimension graphics and inset detail circles, typical of new fast-fashion listings"
    ],
    "missing_information": [
        "photo 4: interior back wall and all pockets should be photographed empty and close-up to confirm no hidden creed or fabric tag",
        "photo 2: close-ups of zipper pull and any hardware markings",
        "photo 6: bottom, corners, strap attachment points, and material edge construction",
        "seller-stated material composition should be verified; the photos cannot establish genuine leather versus PU or bonded synthetic material",
        "no creed patch shown - interior back wall \/ pocket close-up would confirm absence",
        "no hangtag, wordmark, or hardware brand stamp shown",
        "no bottom, side, and strap-anchor close-ups for material confirmation"
    ],
    "authenticity_concerns": [
        "photo 1: the bag's modern generic tote construction, glossy material, and decorative strap attachments are inconsistent with a vintage Coach classic",
        "photo 4: fabric-lined interior and modern zipper configuration provide no support for a vintage glove-tanned Coach attribution",
        "photo 1: absence of any visible brand identifier in promotional-style photos is a concern, although it cannot by itself prove a replica"
    ],
    "possible_model_reasoning": [
        "photo 1: silhouette is a generic modern large tote, not a close match to the listed vintage Coach City Bag, Willis, Court, Station, or Basic Bag constructions",
        "photo 3: stated dimensions and large capacity support a contemporary utility tote but do not identify a Coach model",
        "photo 4: visible fabric lining and zippered interior are modern-leaning; no Coach serial or creed is shown",
        "Condition: not reliably gradable because the listing uses staged\/promotional photos and does not show ordinary wear, corners, or an empty interior",
        "No Coach catalog style matches: open zip-top tote with sewn fixed straps and side slip pockets does not match City Bag, Station, Court, Willis, Duffle or other classics",
        "No hard identifiers: no creed, serial, wordmark, carriage, or hangtag in any of 6 photos",
        "Construction is modern non-Coach: fabric lining, unbranded gold-tone zipper, thin faux-looking material, stock catalog presentation",
        "Condition: appears New\/NWOT catalog product; no wear visible in photos 1-6, but material is new fast-fashion, not vintage"
    ],
    "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 2: small gold-tone zipper hardware is visible; no turnlock, Coach engraving, or other brand-marked hardware is visible",
        "leather_description": "photo 1: black glossy, pebbled-looking flexible material; genuine leather is not verifiable from photos",
        "lining_description": "photo 4: dark fabric-like interior lining is visible; no creed patch or fabric brand tag is visible",
        "strap_construction": "photo 1: two long, wide, sewn shoulder straps with decorative stitched anchor tabs; no buckle adjustment or detachable clips visible",
        "stitching_description": "photo 1: regular machine stitching and vertical panel seams are visible; promotional images limit assessment of stitch quality"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0007,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a large shoulder tote with two long straps",
                    "photo 3: seller-provided dimensions show an approximately 14.2\u201315 inch wide tote"
                ],
                "negative_evidence": [
                    "photo 1: no visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier",
                    "photo 1: thin, highly glossy, heavily pebbled-looking material and soft fashion-tote construction do not resemble classic glove-tanned Coach leather",
                    "photo 2: hardware appears minimal and modern rather than the solid-brass hardware associated with many vintage Coach classics",
                    "photo 4: interior appears fabric-lined and includes a modern zippered compartment; no creed patch is visible",
                    "photo 5: decorative strap-anchor shapes are not a recognizable Coach identifier",
                    "photo 1: listing is presented as an unbranded generic tote and the seller description provides no Coach-specific evidence"
                ],
                "missing_information": [
                    "photo 4: interior back wall and all pockets should be photographed empty and close-up to confirm no hidden creed or fabric tag",
                    "photo 2: close-ups of zipper pull and any hardware markings",
                    "photo 6: bottom, corners, strap attachment points, and material edge construction",
                    "seller-stated material composition should be verified; the photos cannot establish genuine leather versus PU or bonded synthetic material"
                ],
                "authenticity_concerns": [
                    "photo 1: the bag's modern generic tote construction, glossy material, and decorative strap attachments are inconsistent with a vintage Coach classic",
                    "photo 4: fabric-lined interior and modern zipper configuration provide no support for a vintage glove-tanned Coach attribution",
                    "photo 1: absence of any visible brand identifier in promotional-style photos is a concern, although it cannot by itself prove a replica"
                ],
                "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 2: small gold-tone zipper hardware is visible; no turnlock, Coach engraving, or other brand-marked hardware is visible",
                    "leather_description": "photo 1: black glossy, pebbled-looking flexible material; genuine leather is not verifiable from photos",
                    "lining_description": "photo 4: dark fabric-like interior lining is visible; no creed patch or fabric brand tag is visible",
                    "strap_construction": "photo 1: two long, wide, sewn shoulder straps with decorative stitched anchor tabs; no buckle adjustment or detachable clips visible",
                    "stitching_description": "photo 1: regular machine stitching and vertical panel seams are visible; promotional images limit assessment of stitch quality"
                },
                "possible_model_reasoning": [
                    "photo 1: silhouette is a generic modern large tote, not a close match to the listed vintage Coach City Bag, Willis, Court, Station, or Basic Bag constructions",
                    "photo 3: stated dimensions and large capacity support a contemporary utility tote but do not identify a Coach model",
                    "photo 4: visible fabric lining and zippered interior are modern-leaning; no Coach serial or creed is shown",
                    "Condition: not reliably gradable because the listing uses staged\/promotional photos and does not show ordinary wear, corners, or an empty interior"
                ],
                "confidence": 0.9,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "no creed patch shown - interior back wall \/ pocket close-up would confirm absence",
                    "no hangtag, wordmark, or hardware brand stamp shown",
                    "no bottom, side, and strap-anchor close-ups for material confirmation"
                ],
                "negative_evidence": [
                    "photo 1,3,6: large open-top tote with sewn-on flat shoulder straps, no turnlock, no flap, no Coach silhouette match",
                    "photo 1,2,3,5,6: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible",
                    "photo 4: black synthetic fabric lining with top zip, not unlined suede-back glove-tanned leather",
                    "photo 2: gold-tone unbranded rectangular zipper pulls, not solid brass Talon\/YKK vintage hardware",
                    "photo 1,2,3,5: thin, shiny, uniform faux-leather grain with soft slouch, not full-grain glove-tanned cowhide",
                    "photo 2,3,4,5,6: catalog\/stock-style composite images with dimension graphics and inset detail circles, typical of new fast-fashion listings"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone zip-top zipper with unbranded rectangular pulls visible in photo 2 and photo 4; no turnlock, buckles, D-rings, or branded hardware visible",
                    "leather_description": "black smooth material with uniform pebbled-look emboss and high sheen in photos 1-3,5-6; appears to be soft faux\/PU leather, not matte glove-tanned full-grain cowhide",
                    "lining_description": "black fabric lining visible in photo 4 interior view; not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching tone-on-tone, visible on straps and vertical seams in photos 1-3,5-6; no detail of stress-point finishing",
                    "strap_construction": "two fixed flat shoulder straps sewn directly to body with shield-shaped reinforced tabs in photos 1,3,5,6; not buckle-adjustable or dogleash-detachable",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach catalog style matches: open zip-top tote with sewn fixed straps and side slip pockets does not match City Bag, Station, Court, Willis, Duffle or other classics",
                    "No hard identifiers: no creed, serial, wordmark, carriage, or hangtag in any of 6 photos",
                    "Construction is modern non-Coach: fabric lining, unbranded gold-tone zipper, thin faux-looking material, stock catalog presentation",
                    "Condition: appears New\/NWOT catalog product; no wear visible in photos 1-6, but material is new fast-fashion, not vintage"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 23525,
            "output_tokens": 773,
            "total_tokens": 24298,
            "estimated_cost_usd": 0.011265
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 24349,
            "output_tokens": 1241,
            "total_tokens": 25590,
            "estimated_cost_usd": 0.005863
        }
    ]
}