Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.71,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.895,
    "recommended_max_bid": 9,
    "estimated_resale_low": 11.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag is shown as a modern denim-and-glossy-black-trim shoulder bag with a decorative bear charm, not a recognizable vintage Coach silhouette.",
        "photo 2: the close-ups show a generic rectangular center clasp and silver-tone ring hardware, with no legible Coach wordmark, horse-and-carriage, or vintage Coach turnlock.",
        "photo 3: the product collage identifies the bag only by generic features such as bottom feet, fabric details, and lock details; no Coach identifier is shown.",
        "photo 4: the construction uses denim fabric with glossy black trim and modern silver-tone hardware, inconsistent with classic unlined glove-tanned Coach leather bags.",
        "photo 5: the zipper pull and hardware appear generic and modern rather than era-appropriate vintage Coach hardware.",
        "photo 6: the listing uses new-product stock imagery and states brand new, which conflicts with a genuinely vintage listing.",
        "photo 1-5: denim fabric body with black leather trim - not glove-tanned cowhide, denim implies coach_probability <=0.05",
        "photo 2,4: silver\/nickel-tone hardware including O-rings, rivets, ribbed lock plate - not vintage solid brass",
        "photo 3: modern crescent \/ hobo silhouette with asymmetric front denim panel and solid black leather back - no matching vintage Coach catalog silhouette",
        "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1-5: seller lists as Brand new with bear charm and stock-style 360-degree graphics - modern fast-fashion presentation, not vintage"
    ],
    "missing_information": [
        "photo 1-6: no interior view or interior brand label is provided.",
        "photo 1-6: no creed patch, serial\/style number, country-of-manufacture line, or fabric tag is shown.",
        "photo 1-6: no clear close-up of the reverse of the hardware or zipper branding is provided.",
        "photo 1-6: seller-provided stock images do not establish the condition or construction of the actual item.",
        "photo of interior lining and any interior leather patch or brand label - interior never shown",
        "photo of creed patch straight-on in raking light - no creed-like patch visible",
        "close-up of any COACH wordmark, horse-and-carriage, or hardware engraving",
        "photo of zipper pull brand stamp"
    ],
    "authenticity_concerns": [
        "photo 1-6: the modern denim\/black synthetic-looking construction and generic hardware are characteristic of an unbranded Coach-style bag rather than Coach manufacture.",
        "photo 1-6: no Coach identifier is visible anywhere in the provided product imagery; the decorative bear charm is not Coach evidence.",
        "photo 1-6: the stock-photo presentation and brand-new condition are inconsistent with the expected evidence for a vintage Coach bag."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the crescent shoulder-bag silhouette, denim body, glossy trim, center clasp, and bear charm do not correspond to the listed vintage Coach catalog styles.",
        "Era assessment: modern product photography, denim patchwork styling, silver-tone hardware, and stated brand-new condition support modern non-Coach construction.",
        "Condition: seller states brand new, but condition cannot be independently verified because all supplied images are promotional or stock-style photos.",
        "No Coach model fits: crescent denim hobo with front metal bar clasp and bear charm has no counterpart in Classic glove-tanned catalog (City Bag, Willis, Court, Station, Dinky etc.)",
        "No hard identifiers: no creed, no serial, no wordmark, no hangtag, no brass turnlock in any of 5 photos",
        "Construction points away from Coach: denim + silver hardware + lightweight new manufacture vs unlined glove-tanned + solid brass",
        "Condition: New per seller and photos - pristine edges, clean denim, no patina; consistent with modern non-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 2 and photos 4-5: silver-tone rings, clips, a rectangular center clasp, zipper hardware, and apparent bottom feet; hardware appears modern and generic.",
        "leather_description": "photo 1 and photos 3-6: denim textile body with glossy black trim that appears synthetic or coated; genuine leather is not established by the photos.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1, 3, 5, and 6: narrow adjustable-looking shoulder strap attached with silver-tone clips\/rings; construction appears modern.",
        "stitching_description": "photo 5: visible edge stitching appears regular and machine-made; detailed stress-point stitching is not sufficiently shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0018,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag is shown as a modern denim-and-glossy-black-trim shoulder bag with a decorative bear charm, not a recognizable vintage Coach silhouette.",
                    "photo 2: the close-ups show a generic rectangular center clasp and silver-tone ring hardware, with no legible Coach wordmark, horse-and-carriage, or vintage Coach turnlock.",
                    "photo 3: the product collage identifies the bag only by generic features such as bottom feet, fabric details, and lock details; no Coach identifier is shown.",
                    "photo 4: the construction uses denim fabric with glossy black trim and modern silver-tone hardware, inconsistent with classic unlined glove-tanned Coach leather bags.",
                    "photo 5: the zipper pull and hardware appear generic and modern rather than era-appropriate vintage Coach hardware.",
                    "photo 6: the listing uses new-product stock imagery and states brand new, which conflicts with a genuinely vintage listing."
                ],
                "missing_information": [
                    "photo 1-6: no interior view or interior brand label is provided.",
                    "photo 1-6: no creed patch, serial\/style number, country-of-manufacture line, or fabric tag is shown.",
                    "photo 1-6: no clear close-up of the reverse of the hardware or zipper branding is provided.",
                    "photo 1-6: seller-provided stock images do not establish the condition or construction of the actual item."
                ],
                "authenticity_concerns": [
                    "photo 1-6: the modern denim\/black synthetic-looking construction and generic hardware are characteristic of an unbranded Coach-style bag rather than Coach manufacture.",
                    "photo 1-6: no Coach identifier is visible anywhere in the provided product imagery; the decorative bear charm is not Coach evidence.",
                    "photo 1-6: the stock-photo presentation and brand-new condition are inconsistent with the expected evidence for a vintage Coach bag."
                ],
                "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 and photos 4-5: silver-tone rings, clips, a rectangular center clasp, zipper hardware, and apparent bottom feet; hardware appears modern and generic.",
                    "leather_description": "photo 1 and photos 3-6: denim textile body with glossy black trim that appears synthetic or coated; genuine leather is not established by the photos.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1, 3, 5, and 6: narrow adjustable-looking shoulder strap attached with silver-tone clips\/rings; construction appears modern.",
                    "stitching_description": "photo 5: visible edge stitching appears regular and machine-made; detailed stress-point stitching is not sufficiently shown."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the crescent shoulder-bag silhouette, denim body, glossy trim, center clasp, and bear charm do not correspond to the listed vintage Coach catalog styles.",
                    "Era assessment: modern product photography, denim patchwork styling, silver-tone hardware, and stated brand-new condition support modern non-Coach construction.",
                    "Condition: seller states brand new, but condition cannot be independently verified because all supplied images are promotional or stock-style photos."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 35
            }
        },
        {
            "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": 8,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior lining and any interior leather patch or brand label - interior never shown",
                    "photo of creed patch straight-on in raking light - no creed-like patch visible",
                    "close-up of any COACH wordmark, horse-and-carriage, or hardware engraving",
                    "photo of zipper pull brand stamp"
                ],
                "negative_evidence": [
                    "photo 1-5: denim fabric body with black leather trim - not glove-tanned cowhide, denim implies coach_probability <=0.05",
                    "photo 2,4: silver\/nickel-tone hardware including O-rings, rivets, ribbed lock plate - not vintage solid brass",
                    "photo 3: modern crescent \/ hobo silhouette with asymmetric front denim panel and solid black leather back - no matching vintage Coach catalog silhouette",
                    "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1-5: seller lists as Brand new with bear charm and stock-style 360-degree graphics - modern fast-fashion presentation, not vintage"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone metal O-rings, rivets, bottom feet, ribbed rectangular front lock\/clasp and zipper pull; bright plated appearance, not solid brass",
                    "leather_description": "smooth black leather trim on edges, base, strap and back panel combined with blue denim fabric front panels",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible contrast edge stitching on leather trim, appears even in catalog graphics but not assessable at high resolution",
                    "strap_construction": "thin fixed-length black shoulder strap attached with large silver-tone O-rings",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: crescent denim hobo with front metal bar clasp and bear charm has no counterpart in Classic glove-tanned catalog (City Bag, Willis, Court, Station, Dinky etc.)",
                    "No hard identifiers: no creed, no serial, no wordmark, no hangtag, no brass turnlock in any of 5 photos",
                    "Construction points away from Coach: denim + silver hardware + lightweight new manufacture vs unlined glove-tanned + solid brass",
                    "Condition: New per seller and photos - pristine edges, clean denim, no patina; consistent with modern non-Coach"
                ],
                "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": 17721,
            "output_tokens": 905,
            "total_tokens": 18626,
            "estimated_cost_usd": 0.00926
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18234,
            "output_tokens": 1158,
            "total_tokens": 19392,
            "estimated_cost_usd": 0.004573
        }
    ]
}