Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.035,
    "vintage_probability": 0.04,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.8,
    "recommended_max_bid": 10,
    "estimated_resale_low": 10,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a leather or leather-like shoulder tote with double handles and a zip-top opening.",
        "photo 5: Interior appears divided into compartments with a small interior pocket, consistent with a functional handbag."
    ],
    "negative_evidence": [
        "photo 1: No visible Coach wordmark, horse-and-carriage emblem, hangtag, turnlock, or other Coach identifier.",
        "photo 1: Decorative central cross-lacing and the large soft tote silhouette do not closely match the listed classic vintage Coach models.",
        "photo 2: Exterior zipper hardware appears plain and modern rather than vintage Coach solid-brass hardware.",
        "photo 3: Interior zipper and lining appear contemporary and provide no visible Coach branding.",
        "photo 4: Interior construction is fabric-lined\/divided, unlike many classic unlined glove-tanned Coach bags.",
        "photo 1: center front vertical cross-laced seam and integrated cut-in handles - not a vintage Coach catalog silhouette or construction",
        "photo 1, photo 2: no turnlock, no brass hardware, no leather hangtag, no COACH wordmark visible",
        "photo 2: back exterior zip pocket with dark gunmetal-tone unbranded coil zipper - not solid brass Talon\/YKK vintage Coach hardware",
        "photo 3, photo 4: dark fabric lining in main compartment - not unlined glove-tanned suede of 1970s-1990s Coach classics",
        "photo 1-4: smooth high-sheen coated surface with creasing consistent with split or synthetic-coated leather, not matte glove-tanned cowhide"
    ],
    "missing_information": [
        "photo 4: A straight-on close-up of every interior wall and pocket is needed to confirm whether a creed patch or fabric brand tag is present.",
        "A close-up of all zipper pulls, snaps, and hardware is needed.",
        "Bottom, side, and strap-attachment photos are absent.",
        "Seller-stated dimensions and material composition are not provided.",
        "photo of any interior leather creed patch or fabric brand tag in raking light - none visible in photos 3-4",
        "close-up of zipper pull brand stamp and magnetic snap finish",
        "bottom and corner close-ups to confirm material wear"
    ],
    "authenticity_concerns": [
        "The bag has no visible Coach identifiers and appears more consistent with an unbranded contemporary leather or leather-like tote than a Coach product.",
        "The polished dark finish, contemporary lining, plain zipper hardware, and decorative center stitching are not a consistent match for a documented vintage Coach classic."
    ],
    "possible_model_reasoning": [
        "No Coach model is assigned because the visible construction does not provide a credible catalog match and coach probability is very low.",
        "Condition: Good; visible creasing, surface scuffs, and finish wear are present on the front and handles (photo 1). Interior appears intact in the available views (photos 3-4), but bottom corners and hardware function are not fully shown.",
        "No Coach hard identifier visible in any photo - no creed patch, no serial, no wordmark, no hangtag, no brass turnlock",
        "Silhouette is a modern center-seam scoop-neck hobo with back zip and magnetic top - does not match City Bag (9790), Ergo Hobo, Soho Zip Hobo (4161) or other catalog styles in closure, strap or pocket layout",
        "Construction cues point away from Coach: coated shiny material, fabric lining, plated dark hardware, decorative laced seam",
        "Condition: Good to Very Good; surface creasing and light wear visible (photos 1-2), no major tears shown, interior appears intact but dark photos limit assessment"
    ],
    "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": "Plain zipper sliders and snaps are visible; no Coach engraving or vintage brass turnlock is visible.",
        "leather_description": "Dark brown smooth, glossy leather or leather-like material with substantial creasing and surface wear; exact material is not confirmed.",
        "lining_description": "Dark fabric or synthetic lining with multiple compartments and zippered pockets; no brand label is visible.",
        "strap_construction": "Two integrated shoulder handles with stitched edges; no adjustable or detachable strap hardware is visible.",
        "stitching_description": "Generally even edge stitching; prominent decorative crisscross stitching runs vertically down the front center."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0009,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.83,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a leather or leather-like shoulder tote with double handles and a zip-top opening.",
                    "photo 5: Interior appears divided into compartments with a small interior pocket, consistent with a functional handbag."
                ],
                "negative_evidence": [
                    "photo 1: No visible Coach wordmark, horse-and-carriage emblem, hangtag, turnlock, or other Coach identifier.",
                    "photo 1: Decorative central cross-lacing and the large soft tote silhouette do not closely match the listed classic vintage Coach models.",
                    "photo 2: Exterior zipper hardware appears plain and modern rather than vintage Coach solid-brass hardware.",
                    "photo 3: Interior zipper and lining appear contemporary and provide no visible Coach branding.",
                    "photo 4: Interior construction is fabric-lined\/divided, unlike many classic unlined glove-tanned Coach bags."
                ],
                "missing_information": [
                    "photo 4: A straight-on close-up of every interior wall and pocket is needed to confirm whether a creed patch or fabric brand tag is present.",
                    "A close-up of all zipper pulls, snaps, and hardware is needed.",
                    "Bottom, side, and strap-attachment photos are absent.",
                    "Seller-stated dimensions and material composition are not provided."
                ],
                "authenticity_concerns": [
                    "The bag has no visible Coach identifiers and appears more consistent with an unbranded contemporary leather or leather-like tote than a Coach product.",
                    "The polished dark finish, contemporary lining, plain zipper hardware, and decorative center stitching are not a consistent match for a documented vintage Coach classic."
                ],
                "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": "Plain zipper sliders and snaps are visible; no Coach engraving or vintage brass turnlock is visible.",
                    "leather_description": "Dark brown smooth, glossy leather or leather-like material with substantial creasing and surface wear; exact material is not confirmed.",
                    "lining_description": "Dark fabric or synthetic lining with multiple compartments and zippered pockets; no brand label is visible.",
                    "strap_construction": "Two integrated shoulder handles with stitched edges; no adjustable or detachable strap hardware is visible.",
                    "stitching_description": "Generally even edge stitching; prominent decorative crisscross stitching runs vertically down the front center."
                },
                "possible_model_reasoning": [
                    "No Coach model is assigned because the visible construction does not provide a credible catalog match and coach probability is very low.",
                    "Condition: Good; visible creasing, surface scuffs, and finish wear are present on the front and handles (photo 1). Interior appears intact in the available views (photos 3-4), but bottom corners and hardware function are not fully shown."
                ],
                "confidence": 0.82,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.68,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo of any interior leather creed patch or fabric brand tag in raking light - none visible in photos 3-4",
                    "close-up of zipper pull brand stamp and magnetic snap finish",
                    "bottom and corner close-ups to confirm material wear"
                ],
                "negative_evidence": [
                    "photo 1: center front vertical cross-laced seam and integrated cut-in handles - not a vintage Coach catalog silhouette or construction",
                    "photo 1, photo 2: no turnlock, no brass hardware, no leather hangtag, no COACH wordmark visible",
                    "photo 2: back exterior zip pocket with dark gunmetal-tone unbranded coil zipper - not solid brass Talon\/YKK vintage Coach hardware",
                    "photo 3, photo 4: dark fabric lining in main compartment - not unlined glove-tanned suede of 1970s-1990s Coach classics",
                    "photo 1-4: smooth high-sheen coated surface with creasing consistent with split or synthetic-coated leather, not matte glove-tanned cowhide"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark gunmetal \/ black-nickel tone zipper and magnetic snap; small unbranded pulls; no solid brass, no turnlock, no dogleash clips visible",
                    "leather_description": "dark brown smooth leather-look material with glossy coated sheen and surface creasing; does not show glove-tanned grain or patina",
                    "lining_description": "dark brown fabric lining visible in photos 3-4; not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "light tan contrast edge stitching and central vertical cross-stitch \/ laced seam on front panel",
                    "strap_construction": "fixed integrated double shoulder handles continuous with body, no buckle adjustment or detachable clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach hard identifier visible in any photo - no creed patch, no serial, no wordmark, no hangtag, no brass turnlock",
                    "Silhouette is a modern center-seam scoop-neck hobo with back zip and magnetic top - does not match City Bag (9790), Ergo Hobo, Soho Zip Hobo (4161) or other catalog styles in closure, strap or pocket layout",
                    "Construction cues point away from Coach: coated shiny material, fabric lining, plated dark hardware, decorative laced seam",
                    "Condition: Good to Very Good; surface creasing and light wear visible (photos 1-2), no major tears shown, interior appears intact but dark photos limit assessment"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 24031,
            "output_tokens": 818,
            "total_tokens": 24849,
            "estimated_cost_usd": 0.011576
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 24968,
            "output_tokens": 1359,
            "total_tokens": 26327,
            "estimated_cost_usd": 0.006081
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    ]
}