Vintage Coach Hunter

{
    "is_handbag_probability": 0.94,
    "coach_probability": 0.01,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.01,
    "image_quality_score": 0.86,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.945,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag visibly carries repeated Guiwushiqi branding rather than COACH branding.",
        "photos 1, 3, 4 and 5: all-over diamond-and-floral embossed pattern is not Coach's paired-C signature pattern.",
        "photo 1: the bag is presented as new in a retail-style box, inconsistent with a vintage Coach handbag listing.",
        "photo 2: the strap is a modern woven adjustable sling strap with silver-tone hardware, not a typical vintage Coach leather strap construction.",
        "photo 6: packaging label identifies the brand as Guiwushiqi.",
        "photo 1: front shows all-over embossed 'Guiwushiqi' branding, not COACH wordmark or horse-and-carriage",
        "photo 4: metal logo plate reads 'Guiwushiqi', not Coach",
        "photo 1-4: modern sling-backpack silhouette with zip closures, nylon webbing strap and silver-tone zippers - no vintage Coach glove-tanned construction, brass turnlock, or dogleash hardware",
        "photo 5: dust bag printed 'Guiwushiqi'",
        "photo 6: box label 'Guiwushiqi Black 50718' - new mass-market branded goods packaging",
        "photo 1-2: shiny coated faux-leather with embossed pattern, inconsistent with vintage Coach glove-tanned cowhide"
    ],
    "missing_information": [
        "photo 1: interior and any sewn-in material or brand labels are not shown.",
        "photo 1: country-of-manufacture information and zipper-brand markings are not visible.",
        "photo 1: back and bottom construction are not shown.",
        "No interior views showing lining or any creed patch - not needed as exterior branding is conclusive",
        "No bottom, side, or hardware stamp close-ups"
    ],
    "authenticity_concerns": [
        "photos 1, 3, 4 and 5: visible non-Coach Guiwushiqi branding is a direct contradiction to Coach manufacture.",
        "photos 1 and 4: repeated proprietary-looking branding and embossed synthetic-looking surface indicate a modern non-Coach bag, not a Coach lookalike with an obscured identity."
    ],
    "possible_model_reasoning": [
        "photo 1: silhouette is a small modern sling backpack\/crossbody pouch, not a recognizable vintage Coach catalog model.",
        "photo 6: seller packaging identifies Guiwushiqi and a product number, but no Coach style number is visible.",
        "Condition: New\/NWT as presented in photos 1 and 6; boxed and apparently unused, though interior condition and odor cannot be assessed.",
        "No Coach model match: sling-backpack form, zip closures, Guiwushiqi branding throughout, and modern synthetic materials do not correspond to any catalog Coach style",
        "Condition: New NWT in box; new-in-box unbranded\/fast-fashion presentation is inconsistent with vintage Coach"
    ],
    "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: silver-tone zipper teeth and pulls; photo 2: silver-tone rectangular strap adjuster; no Coach engraving visible.",
        "leather_description": "photos 1, 3, 4 and 5: black smooth, embossed, coated or synthetic-looking material with an all-over floral\/diamond pattern; natural glove-tanned leather is not apparent.",
        "lining_description": "not_visible",
        "strap_construction": "photo 2: black woven adjustable sling strap with a rectangular metal adjuster and sewn strap ends.",
        "stitching_description": "photos 1 and 2: visible machine stitching appears generally even around the perimeter; close inspection of interior stress points is unavailable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0007,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.01,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.92,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag visibly carries repeated Guiwushiqi branding rather than COACH branding.",
                    "photos 1, 3, 4 and 5: all-over diamond-and-floral embossed pattern is not Coach's paired-C signature pattern.",
                    "photo 1: the bag is presented as new in a retail-style box, inconsistent with a vintage Coach handbag listing.",
                    "photo 2: the strap is a modern woven adjustable sling strap with silver-tone hardware, not a typical vintage Coach leather strap construction.",
                    "photo 6: packaging label identifies the brand as Guiwushiqi."
                ],
                "missing_information": [
                    "photo 1: interior and any sewn-in material or brand labels are not shown.",
                    "photo 1: country-of-manufacture information and zipper-brand markings are not visible.",
                    "photo 1: back and bottom construction are not shown."
                ],
                "authenticity_concerns": [
                    "photos 1, 3, 4 and 5: visible non-Coach Guiwushiqi branding is a direct contradiction to Coach manufacture.",
                    "photos 1 and 4: repeated proprietary-looking branding and embossed synthetic-looking surface indicate a modern non-Coach bag, not a Coach lookalike with an obscured identity."
                ],
                "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: silver-tone zipper teeth and pulls; photo 2: silver-tone rectangular strap adjuster; no Coach engraving visible.",
                    "leather_description": "photos 1, 3, 4 and 5: black smooth, embossed, coated or synthetic-looking material with an all-over floral\/diamond pattern; natural glove-tanned leather is not apparent.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 2: black woven adjustable sling strap with a rectangular metal adjuster and sewn strap ends.",
                    "stitching_description": "photos 1 and 2: visible machine stitching appears generally even around the perimeter; close inspection of interior stress points is unavailable."
                },
                "possible_model_reasoning": [
                    "photo 1: silhouette is a small modern sling backpack\/crossbody pouch, not a recognizable vintage Coach catalog model.",
                    "photo 6: seller packaging identifies Guiwushiqi and a product number, but no Coach style number is visible.",
                    "Condition: New\/NWT as presented in photos 1 and 6; boxed and apparently unused, though interior condition and odor cannot be assessed."
                ],
                "confidence": 0.94,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.01,
                "confidence": 0.95,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.8,
                "is_handbag_probability": 0.9,
                "missing_information": [
                    "No interior views showing lining or any creed patch - not needed as exterior branding is conclusive",
                    "No bottom, side, or hardware stamp close-ups"
                ],
                "negative_evidence": [
                    "photo 1: front shows all-over embossed 'Guiwushiqi' branding, not COACH wordmark or horse-and-carriage",
                    "photo 4: metal logo plate reads 'Guiwushiqi', not Coach",
                    "photo 1-4: modern sling-backpack silhouette with zip closures, nylon webbing strap and silver-tone zippers - no vintage Coach glove-tanned construction, brass turnlock, or dogleash hardware",
                    "photo 5: dust bag printed 'Guiwushiqi'",
                    "photo 6: box label 'Guiwushiqi Black 50718' - new mass-market branded goods packaging",
                    "photo 1-2: shiny coated faux-leather with embossed pattern, inconsistent with vintage Coach glove-tanned cowhide"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone zipper teeth and pulls (photo 1); silver-tone rectangular slide on strap (photo 2); small silver-tone 'Guiwushiqi' logo plate (photo 4)",
                    "leather_description": "black embossed faux\/synthetic leather with quilt-like diamond and star pattern and repeated 'Guiwushiqi' embossing (photo 1, 3, 4)",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "dark edge stitching visible on front pocket (photo 4), otherwise not clearly visible",
                    "strap_construction": "black nylon\/polyester webbing crossbody\/sling strap with silver-tone adjustable buckle, taped together new in box (photo 2)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model match: sling-backpack form, zip closures, Guiwushiqi branding throughout, and modern synthetic materials do not correspond to any catalog Coach style",
                    "Condition: New NWT in box; new-in-box unbranded\/fast-fashion presentation is inconsistent with vintage Coach"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.01
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28778,
            "output_tokens": 912,
            "total_tokens": 29690,
            "estimated_cost_usd": 0.0137
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30092,
            "output_tokens": 1021,
            "total_tokens": 31113,
            "estimated_cost_usd": 0.006835
        }
    ]
}