Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.25,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.83,
    "seller_misidentification_probability": 0.065,
    "confidence": 0.895,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 13.5,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather crossbody handbag with an adjustable shoulder strap and multiple zippered compartments",
        "photo 2: visible branded-looking gold-tone buckle hardware, but it does not appear to be a Coach identifier",
        "photo 1: leather handbag with brass-tone hardware in general vintage-style population - triage only, no Coach identifier"
    ],
    "negative_evidence": [
        "photo 2: buckle carries non-Coach lettering consistent with the listed Stone & Co. branding",
        "photo 4: bag has a pebbled, fabric-lined construction and modern zippered compartment layout rather than a recognizable vintage Coach classic",
        "photo 5: interior is fabric-lined and contains no visible Coach creed patch or wordmark",
        "photo 6: interior zipper tape\/hardware markings do not visibly show a Coach wordmark or recognizable Coach identifier",
        "photos 1-6: no Coach hangtag, horse-and-carriage mark, creed, or serial\/style number is visible",
        "photo 2: adjustable strap buckle engraved STONE & CO - branded non-Coach hardware",
        "photo 6: interior leather trim embossed STONE & CO repeatedly - positively identifies maker as Stone & Co.",
        "photo 5: brown woven fabric lining with interior zip - lined construction inconsistent with vintage Coach unlined glove-tanned classics",
        "photo 1, photo 3, photo 4: zip-top hobo silhouette with exterior zip pocket and snap pocket, no turnlock, no Coach silhouette match",
        "photo 1-6: no COACH wordmark, no horse-and-carriage, no creed patch, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 5-6: clearer straight-on photos of every interior wall and pocket seam to confirm that no creed or fabric brand tag is present",
        "photo 2: close-up of all buckle and zipper markings for precise brand identification",
        "photo 1: bottom, side, strap-anchor, and corner photos for a fuller condition assessment",
        "No Coach creed patch observed - no further Coach-specific photos needed as brand is identified",
        "Bottom and corner close-ups not shown to refine wear grade",
        "Zipper pull brand stamp not legible"
    ],
    "authenticity_concerns": [
        "photos 1-6: the bag lacks the identifiers and construction cues expected for vintage Coach and appears to be a non-Coach Stone & Co. bag",
        "photo 5: fabric lining and the visible compartment construction are inconsistent with many classic unlined glove-tanned Coach styles"
    ],
    "possible_model_reasoning": [
        "No Coach model is proposed because the bag has no visible Coach identifier and its silhouette is a generic zippered crossbody rather than a distinctive catalog match.",
        "Seller title identifies the item as Stone & Co.; this is consistent with the non-Coach branding visible on the buckle, although the brand attribution is not independently verified.",
        "Condition appears Good to Very Good rather than clearly Excellent: visible creasing and lower-corner deformation are present in photos 1, 3, and 4; interior appears intact in photos 5-6, but odor and hidden wear cannot be assessed.",
        "Seller-identified Stone & Co. confirmed in photos by engraved buckle (photo 2) and embossed interior trim (photo 6), excluding Coach manufacture",
        "Construction - fabric lining, zip-top, branded plated hardware - inconsistent with 1970s-1990s Coach glove-tanned unlined classics",
        "No creed, wordmark, turnlock or hangtag to support any Coach model; therefore no Coach model ranked",
        "Condition: Excellent per seller; photos show uniform color, no visible corner wear, clean lining (photo 5), but bottom view absent so capped"
    ],
    "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": "Gold-tone buckle, small rings, zipper pulls, and zippers visible; photo 2 shows non-Coach-looking lettering on the buckle. No turnlock or Coach-engraved hardware visible.",
        "leather_description": "Dark chocolate-brown pebbled leather with a soft, moderately structured appearance; visible creasing and mild edge\/corner wear.",
        "lining_description": "Brown fabric lining visible in photos 5-6; multiple interior compartments and zippered sections. No creed patch is visible.",
        "strap_construction": "Adjustable brown leather shoulder strap with stitched edges, buckle adjustment, and gold-tone attachment hardware.",
        "stitching_description": "Generally even machine stitching visible around the bag and strap; some gathering\/creasing is present near the lower corners."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0004,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.25,
                "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 leather crossbody handbag with an adjustable shoulder strap and multiple zippered compartments",
                    "photo 2: visible branded-looking gold-tone buckle hardware, but it does not appear to be a Coach identifier"
                ],
                "negative_evidence": [
                    "photo 2: buckle carries non-Coach lettering consistent with the listed Stone & Co. branding",
                    "photo 4: bag has a pebbled, fabric-lined construction and modern zippered compartment layout rather than a recognizable vintage Coach classic",
                    "photo 5: interior is fabric-lined and contains no visible Coach creed patch or wordmark",
                    "photo 6: interior zipper tape\/hardware markings do not visibly show a Coach wordmark or recognizable Coach identifier",
                    "photos 1-6: no Coach hangtag, horse-and-carriage mark, creed, or serial\/style number is visible"
                ],
                "missing_information": [
                    "photo 5-6: clearer straight-on photos of every interior wall and pocket seam to confirm that no creed or fabric brand tag is present",
                    "photo 2: close-up of all buckle and zipper markings for precise brand identification",
                    "photo 1: bottom, side, strap-anchor, and corner photos for a fuller condition assessment"
                ],
                "authenticity_concerns": [
                    "photos 1-6: the bag lacks the identifiers and construction cues expected for vintage Coach and appears to be a non-Coach Stone & Co. bag",
                    "photo 5: fabric lining and the visible compartment construction are inconsistent with many classic unlined glove-tanned Coach styles"
                ],
                "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": "Gold-tone buckle, small rings, zipper pulls, and zippers visible; photo 2 shows non-Coach-looking lettering on the buckle. No turnlock or Coach-engraved hardware visible.",
                    "leather_description": "Dark chocolate-brown pebbled leather with a soft, moderately structured appearance; visible creasing and mild edge\/corner wear.",
                    "lining_description": "Brown fabric lining visible in photos 5-6; multiple interior compartments and zippered sections. No creed patch is visible.",
                    "strap_construction": "Adjustable brown leather shoulder strap with stitched edges, buckle adjustment, and gold-tone attachment hardware.",
                    "stitching_description": "Generally even machine stitching visible around the bag and strap; some gathering\/creasing is present near the lower corners."
                },
                "possible_model_reasoning": [
                    "No Coach model is proposed because the bag has no visible Coach identifier and its silhouette is a generic zippered crossbody rather than a distinctive catalog match.",
                    "Seller title identifies the item as Stone & Co.; this is consistent with the non-Coach branding visible on the buckle, although the brand attribution is not independently verified.",
                    "Condition appears Good to Very Good rather than clearly Excellent: visible creasing and lower-corner deformation are present in photos 1, 3, and 4; interior appears intact in photos 5-6, but odor and hidden wear cannot be assessed."
                ],
                "confidence": 0.89,
                "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": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 12,
                "image_quality_score": 0.78,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach creed patch observed - no further Coach-specific photos needed as brand is identified",
                    "Bottom and corner close-ups not shown to refine wear grade",
                    "Zipper pull brand stamp not legible"
                ],
                "negative_evidence": [
                    "photo 2: adjustable strap buckle engraved STONE & CO - branded non-Coach hardware",
                    "photo 6: interior leather trim embossed STONE & CO repeatedly - positively identifies maker as Stone & Co.",
                    "photo 5: brown woven fabric lining with interior zip - lined construction inconsistent with vintage Coach unlined glove-tanned classics",
                    "photo 1, photo 3, photo 4: zip-top hobo silhouette with exterior zip pocket and snap pocket, no turnlock, no Coach silhouette match",
                    "photo 1-6: no COACH wordmark, no horse-and-carriage, no creed patch, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold\/brass-tone hardware; adjustable strap buckle engraved STONE & CO (photo 2), exterior zip pulls and snap (photo 4); plated tone, not vintage solid brass turnlock geometry",
                    "leather_description": "dark chocolate brown pebbled leather with soft grain (photo 1, 3, 4)",
                    "lining_description": "brown fabric lining, interior zip pocket with leather trim (photo 5, 6)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight tonal stitching along strap and trim, visible center seam on front (photo 1, 2)",
                    "strap_construction": "flat adjustable shoulder\/crossbody strap with buckle adjustment and keeper loop (photo 2)",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: leather handbag with brass-tone hardware in general vintage-style population - triage only, no Coach identifier"
                ],
                "possible_model_reasoning": [
                    "Seller-identified Stone & Co. confirmed in photos by engraved buckle (photo 2) and embossed interior trim (photo 6), excluding Coach manufacture",
                    "Construction - fabric lining, zip-top, branded plated hardware - inconsistent with 1970s-1990s Coach glove-tanned unlined classics",
                    "No creed, wordmark, turnlock or hangtag to support any Coach model; therefore no Coach model ranked",
                    "Condition: Excellent per seller; photos show uniform color, no visible corner wear, clean lining (photo 5), but bottom view absent so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.25
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17726,
            "output_tokens": 823,
            "total_tokens": 18549,
            "estimated_cost_usd": 0.009066
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18062,
            "output_tokens": 1336,
            "total_tokens": 19398,
            "estimated_cost_usd": 0.004681
        }
    ]
}