Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.065,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.875,
    "recommended_max_bid": 7.5,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a handbag with double handles, gathered body, and a metal kiss-lock frame.",
        "photo 4: gold-tone frame hardware is visible and the bag has a vintage-inspired doctor-bag silhouette."
    ],
    "negative_evidence": [
        "photo 1: seller describes the material as vegan; the visible smooth, uniform surface is consistent with synthetic leather rather than Coach glove-tanned cowhide.",
        "photo 1: the bag has a gathered doctor-bag\/kiss-lock construction, not a recognizable classic Coach silhouette.",
        "photos 1-6: no COACH wordmark, horse-and-carriage, creed patch, serial\/style number, or hangtag is visible.",
        "photos 1-6: the hardware is a long rectangular kiss-lock frame rather than a Coach-style turnlock.",
        "photos 1-6: visible material has a synthetic-looking sheen and fine uniform texture, with no clear natural full-grain leather character.",
        "photo 1-3: soft ruched kiss-lock doctor-satchel silhouette with no Coach turnlock, no hangtag, no wordmark visible",
        "photo 1-6: material has uniform high-sheen faux-like grain and drape, not matte glove-tanned cowhide with suede back",
        "photo 5-6: brass-tone kiss frame and ball studs, not Coach solid-brass turnlock geometry",
        "listing title states 'Vegan' indicating faux\/PU leather, which per skill caps coach_probability at 0.01-0.03 without a Coach identifier",
        "no creed patch, COACH cartouche, horse-and-carriage, or zipper stamps visible in any of 6 photos"
    ],
    "missing_information": [
        "photo 1-6: interior is not shown clearly enough to rule out a hidden brand label or fabric tag.",
        "photo 1-6: no close-up of the interior, seams, material edge, or hardware markings.",
        "photo 1-6: country-of-manufacture or care tag is not visible.",
        "photo of emptied interior and lining to confirm material and check for any creed patch or fabric label",
        "close-up of hardware stamps and kiss-lock mechanism",
        "bottom and corner close-ups for condition grading"
    ],
    "authenticity_concerns": [
        "photos 1-6: construction and seller-stated vegan material are inconsistent with the glove-tanned leather used in the relevant vintage Coach classic lines.",
        "photos 1-6: no Coach identifier is visible; this appears to be an unbranded or lookalike fashion bag rather than a Coach product."
    ],
    "possible_model_reasoning": [
        "photo 1: silhouette is a generic gathered doctor bag with a kiss-lock frame, not a close match to the listed Coach classic models.",
        "photos 1-6: no identifier supports a Coach model or a vintage Coach era.",
        "Condition: Good; substantial creasing and surface wear are visible across the body and base, but no obvious major tear or broken frame is visible. Interior condition and odor are unknown.",
        "No Coach catalog silhouette matches: ruched kiss-lock doctor bag with double rolled handles and side studs is not a City Bag, Willis, Court, Station, Duffle or Cashin kisslock type",
        "No hard identifiers: no creed, serial, wordmark, hangtag, or Talon\/YKK zipper visible to decode era",
        "Construction points away from Coach: vegan\/faux-appearing leather plus kiss frame closure inconsistent with 1970s-1990s unlined glove-tanned brass-turnlock classics",
        "Condition: Very Good to Good based on exterior only; surface looks intact with light creasing and no corner blowouts in photo 4, but interior, bottom, odor and lining unknown 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": "photos 1-6: gold-tone rectangular kiss-lock frame with rounded end caps; no visible brand engraving.",
        "leather_description": "photos 1-6: black smooth, glossy, finely textured material; seller states vegan, and the appearance is consistent with synthetic leather.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-6: two fixed rounded double handles attached at the sides; no detachable shoulder strap visible.",
        "stitching_description": "photos 1-6: visible stitching appears generally even on handles and gathered upper edges; fine construction details are not sufficient to identify a maker."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0026,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a handbag with double handles, gathered body, and a metal kiss-lock frame.",
                    "photo 4: gold-tone frame hardware is visible and the bag has a vintage-inspired doctor-bag silhouette."
                ],
                "negative_evidence": [
                    "photo 1: seller describes the material as vegan; the visible smooth, uniform surface is consistent with synthetic leather rather than Coach glove-tanned cowhide.",
                    "photo 1: the bag has a gathered doctor-bag\/kiss-lock construction, not a recognizable classic Coach silhouette.",
                    "photos 1-6: no COACH wordmark, horse-and-carriage, creed patch, serial\/style number, or hangtag is visible.",
                    "photos 1-6: the hardware is a long rectangular kiss-lock frame rather than a Coach-style turnlock.",
                    "photos 1-6: visible material has a synthetic-looking sheen and fine uniform texture, with no clear natural full-grain leather character."
                ],
                "missing_information": [
                    "photo 1-6: interior is not shown clearly enough to rule out a hidden brand label or fabric tag.",
                    "photo 1-6: no close-up of the interior, seams, material edge, or hardware markings.",
                    "photo 1-6: country-of-manufacture or care tag is not visible."
                ],
                "authenticity_concerns": [
                    "photos 1-6: construction and seller-stated vegan material are inconsistent with the glove-tanned leather used in the relevant vintage Coach classic lines.",
                    "photos 1-6: no Coach identifier is visible; this appears to be an unbranded or lookalike fashion bag rather than a Coach product."
                ],
                "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": "photos 1-6: gold-tone rectangular kiss-lock frame with rounded end caps; no visible brand engraving.",
                    "leather_description": "photos 1-6: black smooth, glossy, finely textured material; seller states vegan, and the appearance is consistent with synthetic leather.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1-6: two fixed rounded double handles attached at the sides; no detachable shoulder strap visible.",
                    "stitching_description": "photos 1-6: visible stitching appears generally even on handles and gathered upper edges; fine construction details are not sufficient to identify a maker."
                },
                "possible_model_reasoning": [
                    "photo 1: silhouette is a generic gathered doctor bag with a kiss-lock frame, not a close match to the listed Coach classic models.",
                    "photos 1-6: no identifier supports a Coach model or a vintage Coach era.",
                    "Condition: Good; substantial creasing and surface wear are visible across the body and base, but no obvious major tear or broken frame is visible. Interior condition and odor are unknown."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 5,
                "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": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo of emptied interior and lining to confirm material and check for any creed patch or fabric label",
                    "close-up of hardware stamps and kiss-lock mechanism",
                    "bottom and corner close-ups for condition grading"
                ],
                "negative_evidence": [
                    "photo 1-3: soft ruched kiss-lock doctor-satchel silhouette with no Coach turnlock, no hangtag, no wordmark visible",
                    "photo 1-6: material has uniform high-sheen faux-like grain and drape, not matte glove-tanned cowhide with suede back",
                    "photo 5-6: brass-tone kiss frame and ball studs, not Coach solid-brass turnlock geometry",
                    "listing title states 'Vegan' indicating faux\/PU leather, which per skill caps coach_probability at 0.01-0.03 without a Coach identifier",
                    "no creed patch, COACH cartouche, horse-and-carriage, or zipper stamps visible in any of 6 photos"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone kiss-lock frame visible in photo 5-6, plus small faceted ball studs at handle bases; no turnlock, no COACH engraving visible",
                    "leather_description": "black smooth material with pebbled emboss and glossy sheen, slouchy drape; appears faux\/PU consistent with seller 'Vegan' claim, not thick glove-tanned leather",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "small straight stitching visible at top gather in photo 1-3, thread matched black; no detailed stitch close-up",
                    "strap_construction": "double rolled top handles attached through gathered top with leather loops and studs; no detachable strap, buckle, or dogleash clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach catalog silhouette matches: ruched kiss-lock doctor bag with double rolled handles and side studs is not a City Bag, Willis, Court, Station, Duffle or Cashin kisslock type",
                    "No hard identifiers: no creed, serial, wordmark, hangtag, or Talon\/YKK zipper visible to decode era",
                    "Construction points away from Coach: vegan\/faux-appearing leather plus kiss frame closure inconsistent with 1970s-1990s unlined glove-tanned brass-turnlock classics",
                    "Condition: Very Good to Good based on exterior only; surface looks intact with light creasing and no corner blowouts in photo 4, but interior, bottom, odor and lining unknown 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": 33099,
            "output_tokens": 805,
            "total_tokens": 33904,
            "estimated_cost_usd": 0.015172
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 35569,
            "output_tokens": 1217,
            "total_tokens": 36786,
            "estimated_cost_usd": 0.008087
        }
    ]
}