Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.89,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a small crossbody handbag with an adjustable chain-and-leather strap."
    ],
    "negative_evidence": [
        "photo 1: no visible COACH wordmark, carriage, creed patch, or hangtag.",
        "photos 1-3: glossy quilted synthetic-looking exterior, chain strap, tassel, and lightweight gold-tone hardware are inconsistent with a classic vintage Coach glove-tanned leather bag.",
        "photo 4: light fabric\/synthetic lining is visible rather than the suede-backed unlined construction typical of many vintage Coach classics.",
        "seller description: explicitly states 'faux leather'; this is untrusted text but is consistent with the visible synthetic appearance.",
        "photos 1-2: rounded quilted silhouette and decorative tassel do not closely match a documented vintage Coach model.",
        "photo 1, photo 2, photo 3: round quilted chevron purse silhouette with chain strap and tassel charm matches no vintage Coach catalog style",
        "photo 2, photo 5, photo 6: smooth shiny synthetic-looking material with quilted stitching, not glove-tanned cowhide",
        "seller states faux leather, which per reference caps coach_probability at 0.05",
        "photo 4: light-colored synthetic fabric lining, not unlined suede-back glove-tanned interior",
        "photo 1, photo 2: bright gold-tone chain strap with lobster clips, not solid brass dogleash \/ buckle-adjustable leather strap",
        "photo 1-6: no creed patch, no COACH wordmark, no turnlock, no leather hangtag visible"
    ],
    "missing_information": [
        "Straight-on view of the reverse exterior and base.",
        "Close-up of any interior label, care tag, or brand stamp.",
        "Close-up of zipper pull and chain hardware stamps, if any.",
        "No creed patch shown - interior view (photo 4) shows no stamped leather creed patch",
        "No Coach wordmark, hangtag, or hardware engraving visible in any photo",
        "No zipper brand stamp visible"
    ],
    "authenticity_concerns": [
        "The visible synthetic construction, decorative quilted pattern, chain strap, and lack of Coach identifiers strongly indicate a non-Coach lookalike rather than a Coach product."
    ],
    "possible_model_reasoning": [
        "The approximately 8-inch round crossbody shape and quilted synthetic exterior do not correspond convincingly to the listed vintage Coach classics.",
        "No creed, serial, wordmark, or recognizable Coach hardware is visible; this is best treated as a modern unbranded fashion handbag.",
        "Condition: Very Good based on the visible exterior, with no major damage apparent; interior coverage is partial and odor cannot be assessed from photos.",
        "No Coach model fits: round quilted zip-top canteen shape, chain strap, faux leather and fabric lining are inconsistent with all classic glove-tanned flap\/turnlock models (City Bag, Willis, Court, Dinky, etc.)",
        "Era reasoning: synthetic materials, chain strap, quilted fast-fashion styling indicate modern non-Coach manufacture",
        "Condition: Like New to Excellent; bright uniform color, no corner wear, quilting intact, lining looks clean in photo 4, but full interior and bottom not fully documented"
    ],
    "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": "photos 1-4: gold-tone chain strap, clasp hardware, zipper, and tassel fittings; no Coach engraving is legible.",
        "leather_description": "photos 1-3: glossy red faux-leather or synthetic-looking quilted exterior, with raised stitched wave\/leaf motifs.",
        "lining_description": "photo 4: light-colored fabric or synthetic lining with a zip-top opening; no brand label is visible.",
        "strap_construction": "photos 1-3: adjustable red strap sections connected to a long gold-tone chain; tassel attached at the side.",
        "stitching_description": "photos 1-2 and 4-6: visible decorative stitching appears generally even, but construction details are not sufficient to associate it with Coach."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0009,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a small crossbody handbag with an adjustable chain-and-leather strap."
                ],
                "negative_evidence": [
                    "photo 1: no visible COACH wordmark, carriage, creed patch, or hangtag.",
                    "photos 1-3: glossy quilted synthetic-looking exterior, chain strap, tassel, and lightweight gold-tone hardware are inconsistent with a classic vintage Coach glove-tanned leather bag.",
                    "photo 4: light fabric\/synthetic lining is visible rather than the suede-backed unlined construction typical of many vintage Coach classics.",
                    "seller description: explicitly states 'faux leather'; this is untrusted text but is consistent with the visible synthetic appearance.",
                    "photos 1-2: rounded quilted silhouette and decorative tassel do not closely match a documented vintage Coach model."
                ],
                "missing_information": [
                    "Straight-on view of the reverse exterior and base.",
                    "Close-up of any interior label, care tag, or brand stamp.",
                    "Close-up of zipper pull and chain hardware stamps, if any."
                ],
                "authenticity_concerns": [
                    "The visible synthetic construction, decorative quilted pattern, chain strap, and lack of Coach identifiers strongly indicate a non-Coach lookalike 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": false,
                    "hangtag_present": false,
                    "hardware_description": "photos 1-4: gold-tone chain strap, clasp hardware, zipper, and tassel fittings; no Coach engraving is legible.",
                    "leather_description": "photos 1-3: glossy red faux-leather or synthetic-looking quilted exterior, with raised stitched wave\/leaf motifs.",
                    "lining_description": "photo 4: light-colored fabric or synthetic lining with a zip-top opening; no brand label is visible.",
                    "strap_construction": "photos 1-3: adjustable red strap sections connected to a long gold-tone chain; tassel attached at the side.",
                    "stitching_description": "photos 1-2 and 4-6: visible decorative stitching appears generally even, but construction details are not sufficient to associate it with Coach."
                },
                "possible_model_reasoning": [
                    "The approximately 8-inch round crossbody shape and quilted synthetic exterior do not correspond convincingly to the listed vintage Coach classics.",
                    "No creed, serial, wordmark, or recognizable Coach hardware is visible; this is best treated as a modern unbranded fashion handbag.",
                    "Condition: Very Good based on the visible exterior, with no major damage apparent; interior coverage is partial and odor cannot be assessed from photos."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No creed patch shown - interior view (photo 4) shows no stamped leather creed patch",
                    "No Coach wordmark, hangtag, or hardware engraving visible in any photo",
                    "No zipper brand stamp visible"
                ],
                "negative_evidence": [
                    "photo 1, photo 2, photo 3: round quilted chevron purse silhouette with chain strap and tassel charm matches no vintage Coach catalog style",
                    "photo 2, photo 5, photo 6: smooth shiny synthetic-looking material with quilted stitching, not glove-tanned cowhide",
                    "seller states faux leather, which per reference caps coach_probability at 0.05",
                    "photo 4: light-colored synthetic fabric lining, not unlined suede-back glove-tanned interior",
                    "photo 1, photo 2: bright gold-tone chain strap with lobster clips, not solid brass dogleash \/ buckle-adjustable leather strap",
                    "photo 1-6: no creed patch, no COACH wordmark, no turnlock, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone chain crossbody with lobster-claw clips and zip-top with gold-tone teeth; no turnlock; no COACH stamping visible",
                    "leather_description": "bright red smooth synthetic faux leather with quilted \/ ruched chevron pattern; shiny uniform surface, not full-grain glove-tanned cowhide",
                    "lining_description": "off-white \/ light beige synthetic fabric lining visible in photo 4, with interior slip pocket",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible machine quilting stitches forming chevron pattern on front\/back; edge stitching around perimeter",
                    "strap_construction": "chain strap with short red faux-leather shoulder section, adjustable per seller 21-26 inch drop",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: round quilted zip-top canteen shape, chain strap, faux leather and fabric lining are inconsistent with all classic glove-tanned flap\/turnlock models (City Bag, Willis, Court, Dinky, etc.)",
                    "Era reasoning: synthetic materials, chain strap, quilted fast-fashion styling indicate modern non-Coach manufacture",
                    "Condition: Like New to Excellent; bright uniform color, no corner wear, quilting intact, lining looks clean in photo 4, but full interior and bottom not fully documented"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17708,
            "output_tokens": 756,
            "total_tokens": 18464,
            "estimated_cost_usd": 0.008898
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18042,
            "output_tokens": 1173,
            "total_tokens": 19215,
            "estimated_cost_usd": 0.004547
        }
    ]
}