Vintage Coach Hunter

{
    "is_handbag_probability": 0.97,
    "coach_probability": 0.03,
    "vintage_probability": 0.04,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.585,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.72,
    "recommended_max_bid": 9,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Brown structured crossbody handbag with a long strap and visible leather-like construction.",
        "photo 1: The bag is clearly a handbag, but no Coach-specific identifier is visible."
    ],
    "negative_evidence": [
        "photo 1: No visible Coach wordmark, horse-and-carriage logo, creed patch, serial\/style number, or hangtag.",
        "photo 1: The prominent gold-tone hardware and front zipper design appear generic rather than characteristic of a vintage Coach classic.",
        "photo 1: The bag has a modern decorative tassel and multiple stitched strap details, with no visible vintage Coach construction cues.",
        "photo 1: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1: no turnlock present - rear zip pocket only, no flap lock geometry",
        "photo 1: bright gold-tone thin D-rings for strap, not heavy solid brass vintage hardware",
        "photo 1: decorative rivets\/studs on back flap edge and piped trim construction not seen on vintage Coach classics",
        "photo 1: thin flat crossbody strap with looped ends, not buckle-adjustable glove-tanned strap with brass slides or dogleash clips",
        "photo 1: saddle-shaped body with exterior rear zip and bottom tassel detail does not match any catalog Coach silhouette"
    ],
    "missing_information": [
        "photo 1: Interior, lining, and any interior label or creed patch are not shown.",
        "A straight-on close-up of the interior back wall and pockets is needed to check for a creed or fabric tag.",
        "Bottom, side, strap-end, zipper-pull, and hardware close-ups are not provided.",
        "Seller-stated dimensions, material composition, and country of manufacture are unavailable.",
        "photo 1: only rear\/back view shown repeated 4x - front flap, closure, bottom, sides not shown",
        "photo 1: interior not shown - lining, pockets, creed patch unknown",
        "creed close-up in raking light not shown",
        "hardware stamps, zipper brand, hangtag faces not shown",
        "seller-stated dimensions and scale reference not provided"
    ],
    "authenticity_concerns": [
        "photo 1: No Coach identifier is visible, so the bag currently reads as an unbranded or generic leather-look bag rather than a Coach bag.",
        "photo 1: Bright gold-tone hardware and the decorative tassel are not supportive of a classic vintage Coach attribution, though the interior cannot be assessed."
    ],
    "possible_model_reasoning": [
        "photo 1: The silhouette is a generic structured crossbody with a front horizontal zipper and tassel, not a clear match for a listed vintage Coach model.",
        "photo 1: No identifier is visible to support dating; the decorative hardware and construction appear modern, so the most likely category is modern non-Coach.",
        "Condition: Good based on the visible exterior; the material shows creasing and surface variation, while interior, odor, bottom, and strap wear remain unknown.",
        "photo 1: saddle\/crescent crossbody with rear zip pocket and tassel does not correspond to City Bag (9790), Willis (9927), Court (9870), Dinky (9375) or other catalog styles in shape, closure, or hardware",
        "no serial or creed to decode; era from construction is modern fast-fashion, non-Coach",
        "Condition: Good to Very Good externally for a generic bag; surface looks clean with no major wear visible in this single view, but bottom, front, interior and strap fold not shown so grade capped"
    ],
    "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 rings, rivets, zipper hardware, and a front zipper; no Coach engraving is visible.",
        "leather_description": "photo 1: Smooth brown leather-like or coated material is visible; exact material cannot be confirmed from the photo.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Long adjustable-looking shoulder strap with stitched edges and gold-tone ring attachments; full construction and buckle details are not shown.",
        "stitching_description": "photo 1: Visible machine stitching is generally straight and regular along the flap, body, strap, and trim."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0033,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Brown structured crossbody handbag with a long strap and visible leather-like construction.",
                    "photo 1: The bag is clearly a handbag, but no Coach-specific identifier is visible."
                ],
                "negative_evidence": [
                    "photo 1: No visible Coach wordmark, horse-and-carriage logo, creed patch, serial\/style number, or hangtag.",
                    "photo 1: The prominent gold-tone hardware and front zipper design appear generic rather than characteristic of a vintage Coach classic.",
                    "photo 1: The bag has a modern decorative tassel and multiple stitched strap details, with no visible vintage Coach construction cues."
                ],
                "missing_information": [
                    "photo 1: Interior, lining, and any interior label or creed patch are not shown.",
                    "A straight-on close-up of the interior back wall and pockets is needed to check for a creed or fabric tag.",
                    "Bottom, side, strap-end, zipper-pull, and hardware close-ups are not provided.",
                    "Seller-stated dimensions, material composition, and country of manufacture are unavailable."
                ],
                "authenticity_concerns": [
                    "photo 1: No Coach identifier is visible, so the bag currently reads as an unbranded or generic leather-look bag rather than a Coach bag.",
                    "photo 1: Bright gold-tone hardware and the decorative tassel are not supportive of a classic vintage Coach attribution, though the interior cannot be assessed."
                ],
                "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 rings, rivets, zipper hardware, and a front zipper; no Coach engraving is visible.",
                    "leather_description": "photo 1: Smooth brown leather-like or coated material is visible; exact material cannot be confirmed from the photo.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Long adjustable-looking shoulder strap with stitched edges and gold-tone ring attachments; full construction and buckle details are not shown.",
                    "stitching_description": "photo 1: Visible machine stitching is generally straight and regular along the flap, body, strap, and trim."
                },
                "possible_model_reasoning": [
                    "photo 1: The silhouette is a generic structured crossbody with a front horizontal zipper and tassel, not a clear match for a listed vintage Coach model.",
                    "photo 1: No identifier is visible to support dating; the decorative hardware and construction appear modern, so the most likely category is modern non-Coach.",
                    "Condition: Good based on the visible exterior; the material shows creasing and surface variation, while interior, odor, bottom, and strap wear remain unknown."
                ],
                "confidence": 0.79,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.65,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.45,
                "is_handbag_probability": 0.96,
                "missing_information": [
                    "photo 1: only rear\/back view shown repeated 4x - front flap, closure, bottom, sides not shown",
                    "photo 1: interior not shown - lining, pockets, creed patch unknown",
                    "creed close-up in raking light not shown",
                    "hardware stamps, zipper brand, hangtag faces not shown",
                    "seller-stated dimensions and scale reference not provided"
                ],
                "negative_evidence": [
                    "photo 1: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1: no turnlock present - rear zip pocket only, no flap lock geometry",
                    "photo 1: bright gold-tone thin D-rings for strap, not heavy solid brass vintage hardware",
                    "photo 1: decorative rivets\/studs on back flap edge and piped trim construction not seen on vintage Coach classics",
                    "photo 1: thin flat crossbody strap with looped ends, not buckle-adjustable glove-tanned strap with brass slides or dogleash clips",
                    "photo 1: saddle-shaped body with exterior rear zip and bottom tassel detail does not match any catalog Coach silhouette"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone thin D-rings at strap attachment, small gold-tone rivets\/studs on flap edge, brown zipper with leather pull tab; appears plated and lightweight, not solid brass",
                    "leather_description": "medium brown smooth matte material with uniform low-sheen finish, looks thin and faux-like; no glove-tanned grain, patina, scars or wrinkles visible",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible contrast tan topstitching around perimeter and flap panels, even but machine-made; no matched-thread vintage Coach stitching observed",
                    "strap_construction": "thin flat crossbody strap in same brown material, looped through D-rings, no buckle, slide, or dogleash clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1: saddle\/crescent crossbody with rear zip pocket and tassel does not correspond to City Bag (9790), Willis (9927), Court (9870), Dinky (9375) or other catalog styles in shape, closure, or hardware",
                    "no serial or creed to decode; era from construction is modern fast-fashion, non-Coach",
                    "Condition: Good to Very Good externally for a generic bag; surface looks clean with no major wear visible in this single view, but bottom, front, interior and strap fold not shown so grade capped"
                ],
                "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": 24209,
            "output_tokens": 805,
            "total_tokens": 25014,
            "estimated_cost_usd": 0.011616
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 25177,
            "output_tokens": 1209,
            "total_tokens": 26386,
            "estimated_cost_usd": 0.006003
        }
    ]
}