Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.165,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.77,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.86,
    "recommended_max_bid": 11,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a leather shoulder bag with a flap and long strap.",
        "photo 6: A small sewn leather interior tab is visible, but no legible Coach wordmark or creed is shown."
    ],
    "negative_evidence": [
        "photo 1: Prominent hand-tooled sunflower\/floral decoration is not characteristic of the documented vintage Coach classic lines.",
        "photo 1: The bag appears lightweight and has thin, contrast-colored topstitching, unlike the heavier construction commonly seen in vintage Coach glove-tanned classics.",
        "photo 2: Strap construction appears narrow and lightweight, with no visible Coach-specific attachment hardware.",
        "photo 3: The back has a simple horizontal zipper and plain panel, with no Coach branding or characteristic model details.",
        "photo 5: The interior appears fabric-lined, which is inconsistent with many classic unlined glove-tanned Coach styles.",
        "photo 6: The visible interior tab does not clearly show COACH, a horse-and-carriage, or a readable creed.",
        "photo 1: all-over hand-tooled embossed sunflower motif - never a Coach classic catalog treatment",
        "photo 3-4: back exterior zip pocket with silver-tone coil zipper and contrast white stitching - inconsistent with vintage Coach solid brass and tone-on-tone stitching",
        "photo 5-6: no Coach creed patch on interior back wall or slip pocket, only small teardrop leather tab with non-Coach logo",
        "photo 1-4: no turnlock, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "seller text: lightweight purse - vintage Coach glove-tanned classics are notably heavy"
    ],
    "missing_information": [
        "photo 6: Straight-on close-up of the small interior leather tab so its entire marking can be read.",
        "A clear photo of the entire interior emptied, including all pockets and seams.",
        "Close-ups of the zipper pull, strap attachments, and any hardware markings.",
        "Seller-stated material and measurements; the listing only describes the bag as lightweight.",
        "no Coach creed patch visible - confirm no stamped leather patch hidden in interior (photos 5-6 show only small brand tab)",
        "maker stamp on small interior tab in photo 6 is illegible - request straight-on macro",
        "hardware brand stamps on zipper and snaps not shown"
    ],
    "authenticity_concerns": [
        "The visible floral tooling and lightweight, fabric-lined construction suggest a non-Coach artisanal or Western-style bag rather than a Coach product.",
        "No Coach identifier is visible in the supplied photos; the small interior tab cannot be treated as a Coach creed."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the tooled floral flap and simple zippered back do not correspond closely to the listed vintage Coach classic silhouettes.",
        "photo 6: The partial interior tab is insufficient for brand identification because its text or emblem is not legible.",
        "Condition: Good; surface marks and scratches are visible on the exterior (photos 1 and 3), and a loose thread appears near the strap (photo 4); interior condition is only partially shown.",
        "No Coach model fits: silhouette is small flap crossbody ~9in wide x ~6in tall per ruler in photos 3-4, but tooled floral front, back zip pocket, contrast stitching and silver hardware do not match Dinky (9375), Pocket Purse (9755) or any classic catalog style",
        "No Coach identifiers: no creed, no serial, no wordmark, no hangtag, no solid-brass turnlock geometry",
        "Condition: Good; seller notes small marks on back visible as light scuffs in photo 3-4, leather intact, no corner wear-through shown"
    ],
    "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 3 and photo 5: Small zipper with a light-colored metal pull; no turnlock, Coach-engraved hardware, or hangtag is visible.",
        "leather_description": "photo 1 and photo 3: Brown leather or leather-like exterior with extensive raised floral\/sunflower tooling and visible surface marks.",
        "lining_description": "photo 5 and photo 6: Dark fabric-like lining is visible; exact material and condition are not fully determinable.",
        "strap_construction": "photo 1, photo 2, and photo 4: Narrow adjustable-looking shoulder strap with visible doubled stitching; attachment details are not clearly shown.",
        "stitching_description": "photo 1, photo 3, and photo 4: Visible light contrast stitching is generally even around the flap and body, with some loose thread visible near the strap in photo 4."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0022,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a leather shoulder bag with a flap and long strap.",
                    "photo 6: A small sewn leather interior tab is visible, but no legible Coach wordmark or creed is shown."
                ],
                "negative_evidence": [
                    "photo 1: Prominent hand-tooled sunflower\/floral decoration is not characteristic of the documented vintage Coach classic lines.",
                    "photo 1: The bag appears lightweight and has thin, contrast-colored topstitching, unlike the heavier construction commonly seen in vintage Coach glove-tanned classics.",
                    "photo 2: Strap construction appears narrow and lightweight, with no visible Coach-specific attachment hardware.",
                    "photo 3: The back has a simple horizontal zipper and plain panel, with no Coach branding or characteristic model details.",
                    "photo 5: The interior appears fabric-lined, which is inconsistent with many classic unlined glove-tanned Coach styles.",
                    "photo 6: The visible interior tab does not clearly show COACH, a horse-and-carriage, or a readable creed."
                ],
                "missing_information": [
                    "photo 6: Straight-on close-up of the small interior leather tab so its entire marking can be read.",
                    "A clear photo of the entire interior emptied, including all pockets and seams.",
                    "Close-ups of the zipper pull, strap attachments, and any hardware markings.",
                    "Seller-stated material and measurements; the listing only describes the bag as lightweight."
                ],
                "authenticity_concerns": [
                    "The visible floral tooling and lightweight, fabric-lined construction suggest a non-Coach artisanal or Western-style bag rather than a Coach product.",
                    "No Coach identifier is visible in the supplied photos; the small interior tab cannot be treated as a Coach creed."
                ],
                "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 3 and photo 5: Small zipper with a light-colored metal pull; no turnlock, Coach-engraved hardware, or hangtag is visible.",
                    "leather_description": "photo 1 and photo 3: Brown leather or leather-like exterior with extensive raised floral\/sunflower tooling and visible surface marks.",
                    "lining_description": "photo 5 and photo 6: Dark fabric-like lining is visible; exact material and condition are not fully determinable.",
                    "strap_construction": "photo 1, photo 2, and photo 4: Narrow adjustable-looking shoulder strap with visible doubled stitching; attachment details are not clearly shown.",
                    "stitching_description": "photo 1, photo 3, and photo 4: Visible light contrast stitching is generally even around the flap and body, with some loose thread visible near the strap in photo 4."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the tooled floral flap and simple zippered back do not correspond closely to the listed vintage Coach classic silhouettes.",
                    "photo 6: The partial interior tab is insufficient for brand identification because its text or emblem is not legible.",
                    "Condition: Good; surface marks and scratches are visible on the exterior (photos 1 and 3), and a loose thread appears near the strap (photo 4); interior condition is only partially shown."
                ],
                "confidence": 0.87,
                "recommended_max_bid": 10,
                "estimated_resale_low": 10,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.68,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "no Coach creed patch visible - confirm no stamped leather patch hidden in interior (photos 5-6 show only small brand tab)",
                    "maker stamp on small interior tab in photo 6 is illegible - request straight-on macro",
                    "hardware brand stamps on zipper and snaps not shown"
                ],
                "negative_evidence": [
                    "photo 1: all-over hand-tooled embossed sunflower motif - never a Coach classic catalog treatment",
                    "photo 3-4: back exterior zip pocket with silver-tone coil zipper and contrast white stitching - inconsistent with vintage Coach solid brass and tone-on-tone stitching",
                    "photo 5-6: no Coach creed patch on interior back wall or slip pocket, only small teardrop leather tab with non-Coach logo",
                    "photo 1-4: no turnlock, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "seller text: lightweight purse - vintage Coach glove-tanned classics are notably heavy"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone zipper with oval pull on back pocket (photos 3-4); two silver snap heads visible inside flap (photo 5); no brass turnlock, no branded pulls visible",
                    "leather_description": "medium brown smooth leather with deep hand-tooled \/ embossed sunflower and leaf relief on front flap and body (photo 1); plain on back and sides (photos 2-4)",
                    "lining_description": "unlined - raw suede-like interior in brown\/dark brown visible (photos 5-6)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrast off-white stitching around flap edge, body perimeter and around back zip pocket, even but light-colored vs leather (photos 1-4)",
                    "strap_construction": "thin fixed-length crossbody\/shoulder strap in same brown leather with contrast edge stitching, sewn directly to body (photos 1-4)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette is small flap crossbody ~9in wide x ~6in tall per ruler in photos 3-4, but tooled floral front, back zip pocket, contrast stitching and silver hardware do not match Dinky (9375), Pocket Purse (9755) or any classic catalog style",
                    "No Coach identifiers: no creed, no serial, no wordmark, no hangtag, no solid-brass turnlock geometry",
                    "Condition: Good; seller notes small marks on back visible as light scuffs in photo 3-4, leather intact, no corner wear-through shown"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.25
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18090,
            "output_tokens": 861,
            "total_tokens": 18951,
            "estimated_cost_usd": 0.009302
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18640,
            "output_tokens": 1314,
            "total_tokens": 19954,
            "estimated_cost_usd": 0.004779
        }
    ]
}