Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.03,
    "vintage_probability": 0.59,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.71,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.765,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a structured leather shoulder handbag with a vintage-style frame closure.",
        "photo 2: the bag has metal frame hardware and a compact classic silhouette.",
        "photo 1-4: leather handbag with shoulder strap - object is a handbag"
    ],
    "negative_evidence": [
        "photo 1: no visible COACH wordmark, horse-and-carriage, creed patch, or Coach hangtag.",
        "photo 1: scalloped framed closure and glossy black leather do not closely match the listed classic vintage Coach silhouettes.",
        "photo 6: strap appears embossed\/textured and the leather has a glossy finish, unlike the typical matte glove-tanned leather of classic Coach bags.",
        "seller states the brand is Etna and the country is Italy; this is weak seller evidence but consistent with a non-Coach Italian handbag.",
        "photo 1-2: frame-top closure with scalloped flap, not a Coach turnlock flap silhouette",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch or hangtag visible",
        "photo 2: gold-tone kisslock \/ frame bar closure, not solid brass Coach turnlock geometry",
        "photo 1-5: smooth coated black leather with sheen, not matte glove-tanned cowhide with suede back",
        "photo 3-4: narrow side gusset frame construction unlike any catalog classic"
    ],
    "missing_information": [
        "Interior view, including any brand label, creed patch, or manufacturing tag.",
        "Close-up of all interior pockets and seams.",
        "Close-up of zipper pull, frame hardware, and any maker stamps.",
        "Bottom, corners, and full strap attachment views.",
        "Seller-stated dimensions and confirmation of whether the leather is genuine.",
        "photo of emptied interior and lining to check for creed patch or fabric labels",
        "photo of any maker stamp or Made in Italy mark inside",
        "photo of bottom and all corners",
        "photo of frame closure and hardware stamps"
    ],
    "authenticity_concerns": [
        "No Coach identifiers are visible in the supplied photos.",
        "The silhouette and glossy\/embossed construction are more consistent with a generic or Italian vintage handbag than a catalogued Coach classic."
    ],
    "possible_model_reasoning": [
        "The compact framed shoulder-bag shape does not provide a persuasive match to a known vintage Coach model.",
        "The listing's Etna attribution and Italian origin are more plausible than a Coach identification based on the visible construction.",
        "Condition: Good; minor exterior marks and strap wrinkles are visible in photos 5 and 6, while the interior and lining are unassessed.",
        "No Coach model fits: frame-top scalloped-flap shoulder bag with kisslock\/frame bar is not in Coach classic catalog (City Bag, Willis, Court, Station, Dinky etc. all use turnlock flap)",
        "No hard identifiers: no creed, no serial, no wordmark, no hangtag, no brass turnlock in any of 6 photos",
        "Seller labels as Etna, Made in Italy, consistent with Italian frame-bag styling; no reason to dispute",
        "Condition: Very Good to Good; minor exterior marks photo 5, strap wrinkles photo 6, corners look intact but bottom and interior not shown so 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: brass-tone metal frame closure and side strap fittings are visible; no Coach engraving is visible.",
        "leather_description": "photo 1: smooth glossy black leather or leather-like material; photo 6: strap has a raised embossed texture and visible wrinkling.",
        "lining_description": "not_visible - interior not shown",
        "strap_construction": "photos 1, 3, 4, and 6: long adjustable shoulder strap attached through side hardware; strap shows wrinkling and embossed texture.",
        "stitching_description": "photos 1, 3, 4, and 6: visible perimeter stitching appears generally even; close-up quality is insufficient to assess construction fully."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0029,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.68,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.06,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a structured leather shoulder handbag with a vintage-style frame closure.",
                    "photo 2: the bag has metal frame hardware and a compact classic silhouette."
                ],
                "negative_evidence": [
                    "photo 1: no visible COACH wordmark, horse-and-carriage, creed patch, or Coach hangtag.",
                    "photo 1: scalloped framed closure and glossy black leather do not closely match the listed classic vintage Coach silhouettes.",
                    "photo 6: strap appears embossed\/textured and the leather has a glossy finish, unlike the typical matte glove-tanned leather of classic Coach bags.",
                    "seller states the brand is Etna and the country is Italy; this is weak seller evidence but consistent with a non-Coach Italian handbag."
                ],
                "missing_information": [
                    "Interior view, including any brand label, creed patch, or manufacturing tag.",
                    "Close-up of all interior pockets and seams.",
                    "Close-up of zipper pull, frame hardware, and any maker stamps.",
                    "Bottom, corners, and full strap attachment views.",
                    "Seller-stated dimensions and confirmation of whether the leather is genuine."
                ],
                "authenticity_concerns": [
                    "No Coach identifiers are visible in the supplied photos.",
                    "The silhouette and glossy\/embossed construction are more consistent with a generic or Italian vintage handbag than a catalogued 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": "photo 1: brass-tone metal frame closure and side strap fittings are visible; no Coach engraving is visible.",
                    "leather_description": "photo 1: smooth glossy black leather or leather-like material; photo 6: strap has a raised embossed texture and visible wrinkling.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1, 3, 4, and 6: long adjustable shoulder strap attached through side hardware; strap shows wrinkling and embossed texture.",
                    "stitching_description": "photos 1, 3, 4, and 6: visible perimeter stitching appears generally even; close-up quality is insufficient to assess construction fully."
                },
                "possible_model_reasoning": [
                    "The compact framed shoulder-bag shape does not provide a persuasive match to a known vintage Coach model.",
                    "The listing's Etna attribution and Italian origin are more plausible than a Coach identification based on the visible construction.",
                    "Condition: Good; minor exterior marks and strap wrinkles are visible in photos 5 and 6, while the interior and lining are unassessed."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.75,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of emptied interior and lining to check for creed patch or fabric labels",
                    "photo of any maker stamp or Made in Italy mark inside",
                    "photo of bottom and all corners",
                    "photo of frame closure and hardware stamps"
                ],
                "negative_evidence": [
                    "photo 1-2: frame-top closure with scalloped flap, not a Coach turnlock flap silhouette",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch or hangtag visible",
                    "photo 2: gold-tone kisslock \/ frame bar closure, not solid brass Coach turnlock geometry",
                    "photo 1-5: smooth coated black leather with sheen, not matte glove-tanned cowhide with suede back",
                    "photo 3-4: narrow side gusset frame construction unlike any catalog classic"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone frame \/ kisslock bar top closure visible photo 2; small gold-tone side studs and rectangular strap slides photo 3-4; no turnlock, no dogleash clips, no COACH stamping visible",
                    "leather_description": "black smooth leather with light sheen and fine grain visible photo 1,5,6; strap shows wrinkling\/creasing photo 6; not glove-tanned suede-back appearance",
                    "lining_description": "not_visible - interior not shown",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "edge stitching on strap visible photo 6, otherwise not_visible in detail",
                    "strap_construction": "single narrow flat shoulder strap, fixed length with slide adjuster visible photo 3-4, attached at side gussets",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-4: leather handbag with shoulder strap - object is a handbag"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: frame-top scalloped-flap shoulder bag with kisslock\/frame bar is not in Coach classic catalog (City Bag, Willis, Court, Station, Dinky etc. all use turnlock flap)",
                    "No hard identifiers: no creed, no serial, no wordmark, no hangtag, no brass turnlock in any of 6 photos",
                    "Seller labels as Etna, Made in Italy, consistent with Italian frame-bag styling; no reason to dispute",
                    "Condition: Very Good to Good; minor exterior marks photo 5, strap wrinkles photo 6, corners look intact but bottom and interior not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17807,
            "output_tokens": 875,
            "total_tokens": 18682,
            "estimated_cost_usd": 0.009223
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18149,
            "output_tokens": 1388,
            "total_tokens": 19537,
            "estimated_cost_usd": 0.00474
        }
    ]
}