Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.79,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: The bag has a fabric\/nylon-like body with a shiny synthetic-looking interior lining, inconsistent with classic vintage Coach glove-tanned leather construction.",
        "photo 1: Interior lining has a repeating geometric herringbone pattern rather than the raw suede interior typical of many vintage Coach classics.",
        "photo 2: Visible hardware and construction are generic; no legible Coach wordmark, horse-and-carriage, creed patch, or Coach hangtag is shown.",
        "photo 2: The front zip pocket uses a modern-looking zip and pull design rather than providing a Coach identifier.",
        "listing text: Seller describes the item as lightweight, which is mildly inconsistent with the heavy leather construction of many vintage Coach bags.",
        "photo 1: interior fully lined in light grey herringbone-print synthetic fabric with interior zip pocket - inconsistent with unlined suede-back vintage Coach classics",
        "photo 2: exterior material smooth uniform tan with sheen and edge paint \/ surface scuffs and black marks near zip - reads as faux\/PU or coated synthetic, not glove-tanned cowhide",
        "photo 2: bright gold-tone plated front zipper with rectangular pull and front exterior zip pocket - not a vintage Coach catalog silhouette or solid-brass hardware",
        "photo 1-2: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag, no turnlock visible",
        "seller text states lightweight and versatile - mild counter-evidence for heavy glove-tanned classic"
    ],
    "missing_information": [
        "photo 1: No full exterior front, back, bottom, or side views are provided.",
        "photo 1: No straight-on close-up of any interior label, creed, fabric tag, or brand stamp.",
        "photo 2: Zipper-pull and hardware markings are not shown at sufficient close range to read.",
        "photo 1: Strap ends, attachment points, and the complete top-handle construction are only partially visible.",
        "Seller-stated material and dimensions are not provided.",
        "photo 1: no creed patch visible on interior walls - request straight-on creed photo in raking light",
        "photo 1-2: no COACH wordmark, hangtag, or hardware engraving shown - request hangtag both faces and hardware close-ups",
        "photo 2 only partial exterior - request front, back, both sides, bottom with corners, and full strap detail"
    ],
    "authenticity_concerns": [
        "photo 1: Synthetic-looking body and patterned textile lining are inconsistent with a vintage glove-tanned Coach classic.",
        "photo 1: No Coach identifier is visible in the available interior view; the bag appears to be a generic modern tote rather than a misidentified vintage Coach."
    ],
    "possible_model_reasoning": [
        "photo 1: The top-handle tote silhouette and front zip pocket do not closely establish a recognized vintage Coach model, and the synthetic-looking materials point to a modern non-Coach handbag.",
        "Condition: Good to Very Good based on visible light creasing and handling marks; no bottom, complete exterior, or odor\/mold information is available.",
        "No Coach identifier visible in either photo, construction (fully lined synthetic interior, synthetic-appearing exterior, plated hardware, front zip pocket tote) does not match any vintage Coach catalog style",
        "Condition: Good; photo 2 shows scuffs and dark paint loss spots along zip tape and trim, handles show wear; interior photo 1 looks clean but limited resolution"
    ],
    "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: Gold-tone and silver-tone-looking rings, buckles, snaps, and zipper hardware are visible; no Coach engraving is legible. photo 2: Front zipper has a generic rectangular pull.",
        "leather_description": "photo 1: Exterior appears smooth synthetic or coated textile rather than clearly identifiable full-grain glove-tanned leather.",
        "lining_description": "photo 1: Interior is fabric-lined with a repeating gray geometric herringbone pattern and appears lightly shiny.",
        "strap_construction": "photo 1: Two top handles and a detachable-looking shoulder strap with metal rings\/clips are visible; construction appears modern and generic.",
        "stitching_description": "photo 2: Machine stitching appears generally even, with some visible loose or irregular thread ends around the front pocket; no distinctive Coach construction can be established."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0021,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: The bag has a fabric\/nylon-like body with a shiny synthetic-looking interior lining, inconsistent with classic vintage Coach glove-tanned leather construction.",
                    "photo 1: Interior lining has a repeating geometric herringbone pattern rather than the raw suede interior typical of many vintage Coach classics.",
                    "photo 2: Visible hardware and construction are generic; no legible Coach wordmark, horse-and-carriage, creed patch, or Coach hangtag is shown.",
                    "photo 2: The front zip pocket uses a modern-looking zip and pull design rather than providing a Coach identifier.",
                    "listing text: Seller describes the item as lightweight, which is mildly inconsistent with the heavy leather construction of many vintage Coach bags."
                ],
                "missing_information": [
                    "photo 1: No full exterior front, back, bottom, or side views are provided.",
                    "photo 1: No straight-on close-up of any interior label, creed, fabric tag, or brand stamp.",
                    "photo 2: Zipper-pull and hardware markings are not shown at sufficient close range to read.",
                    "photo 1: Strap ends, attachment points, and the complete top-handle construction are only partially visible.",
                    "Seller-stated material and dimensions are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: Synthetic-looking body and patterned textile lining are inconsistent with a vintage glove-tanned Coach classic.",
                    "photo 1: No Coach identifier is visible in the available interior view; the bag appears to be a generic modern tote rather than a misidentified vintage Coach."
                ],
                "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: Gold-tone and silver-tone-looking rings, buckles, snaps, and zipper hardware are visible; no Coach engraving is legible. photo 2: Front zipper has a generic rectangular pull.",
                    "leather_description": "photo 1: Exterior appears smooth synthetic or coated textile rather than clearly identifiable full-grain glove-tanned leather.",
                    "lining_description": "photo 1: Interior is fabric-lined with a repeating gray geometric herringbone pattern and appears lightly shiny.",
                    "strap_construction": "photo 1: Two top handles and a detachable-looking shoulder strap with metal rings\/clips are visible; construction appears modern and generic.",
                    "stitching_description": "photo 2: Machine stitching appears generally even, with some visible loose or irregular thread ends around the front pocket; no distinctive Coach construction can be established."
                },
                "possible_model_reasoning": [
                    "photo 1: The top-handle tote silhouette and front zip pocket do not closely establish a recognized vintage Coach model, and the synthetic-looking materials point to a modern non-Coach handbag.",
                    "Condition: Good to Very Good based on visible light creasing and handling marks; no bottom, complete exterior, or odor\/mold information is available."
                ],
                "confidence": 0.78,
                "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": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.8,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo 1: no creed patch visible on interior walls - request straight-on creed photo in raking light",
                    "photo 1-2: no COACH wordmark, hangtag, or hardware engraving shown - request hangtag both faces and hardware close-ups",
                    "photo 2 only partial exterior - request front, back, both sides, bottom with corners, and full strap detail"
                ],
                "negative_evidence": [
                    "photo 1: interior fully lined in light grey herringbone-print synthetic fabric with interior zip pocket - inconsistent with unlined suede-back vintage Coach classics",
                    "photo 2: exterior material smooth uniform tan with sheen and edge paint \/ surface scuffs and black marks near zip - reads as faux\/PU or coated synthetic, not glove-tanned cowhide",
                    "photo 2: bright gold-tone plated front zipper with rectangular pull and front exterior zip pocket - not a vintage Coach catalog silhouette or solid-brass hardware",
                    "photo 1-2: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag, no turnlock visible",
                    "seller text states lightweight and versatile - mild counter-evidence for heavy glove-tanned classic"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone plated zipper and D-rings; front zip pull rectangular with leather tab; round stud\/foot visible; bright plated tone, not solid vintage brass",
                    "leather_description": "smooth uniform tan material with slight sheen, edge-painted handles; does not show glove-tanned grain, patina, or natural scars\/veins; appears synthetic \/ faux leather",
                    "lining_description": "light grey\/white herringbone \/ chevron print polyester fabric lining throughout, with matching zip pocket trim",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching around top edge and zip panel, thread matched to body; no detail of stress points visible",
                    "strap_construction": "two short rolled top handles anchored with rectangular metal rings plus detachable shoulder strap on swivel clips; buckle-adjust detail visible at sides",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in either photo, construction (fully lined synthetic interior, synthetic-appearing exterior, plated hardware, front zip pocket tote) does not match any vintage Coach catalog style",
                    "Condition: Good; photo 2 shows scuffs and dark paint loss spots along zip tape and trim, handles show wear; interior photo 1 looks clean but limited resolution"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16114,
            "output_tokens": 805,
            "total_tokens": 16919,
            "estimated_cost_usd": 0.008378
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16488,
            "output_tokens": 1340,
            "total_tokens": 17828,
            "estimated_cost_usd": 0.00437
        }
    ]
}