Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.03,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.825,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.865,
    "recommended_max_bid": 11,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a structured leather\/suede handbag with a front flap and top handle",
        "photo 1: brown suede exterior and gold-tone hardware are materials sometimes seen in Coach bags"
    ],
    "negative_evidence": [
        "photo 1: front closure is a large geometric rectangular twist clasp, not a recognizable vintage Coach turnlock",
        "photos 3 and 4: smooth coated-looking brown interior and extensive piping do not resemble the unlined suede-back interiors of classic glove-tanned Coach styles",
        "photos 1-7: no legible COACH wordmark, horse-and-carriage, creed patch, serial\/style number, or Coach hangtag is visible",
        "photos 1-7: silhouette and construction appear generic rather than a clearly identifiable Coach catalog model",
        "photo 1: seller lists the bag as unbranded; this is weak evidence but consistent with the absence of Coach identifiers",
        "photo 1-6: no COACH wordmark, horse-and-carriage, or creed patch visible",
        "photo 1,3,5: small rectangular gold-tone turnlock with round knob does not match vintage Coach solid-brass turnlock geometry",
        "photo 5: fully leather-lined interior with modern accordion gussets, not unlined glove-tanned suede-back classic construction",
        "photo 1,4: thin rolled top handle on small D-rings and suede body with piped edges not matching any catalog classic silhouette",
        "photo 2,4: plain white dustbag with no branding"
    ],
    "missing_information": [
        "photo 3\/4: a straight-on, close-up photograph of every interior wall and pocket to confirm whether an obscured brand label or creed exists",
        "photo 3\/4: close-ups of any interior fabric tags, zipper pulls, and hardware markings",
        "photo 1: close-up of the front clasp and its reverse side",
        "photo 5: close-up of the handle attachment hardware and stitching",
        "seller-stated dimensions and country of manufacture",
        "photo of any interior creed patch \/ brand stamp straight-on in raking light",
        "photo of hardware engravings \/ zipper pull brand",
        "photo of bottom and corners and strap buckle holes"
    ],
    "authenticity_concerns": [
        "photos 1-7: the geometric clasp, coated-looking lining, and generic construction are lookalike cues rather than Coach-specific construction",
        "photos 1-7: absence of all visible Coach identifiers prevents a genuine Coach attribution"
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the bag lacks the catalog-specific turnlock, creed, wordmark, or characteristic classic Coach construction.",
        "photos 1-7: the large structured suede tote\/handbag shape is compatible with many generic contemporary bags and cannot identify a Coach style.",
        "Condition: Very Good; exterior appears intact with minor handling\/nap variation, but the interior and underside are only partially assessed.",
        "No Coach identifier visible in any photo so no catalog match; silhouette with suede body, front flap with small square turnlock, back slip pocket, and thin handle does not match Willis (9927), Court (9870), Station (5130), City Bag (9790) or other classics",
        "Construction is modern fast-fashion: suede + smooth trim, piped edges, leather lining, bright plated hardware",
        "Condition: Like New \/ Mint; suede uniform, no corner wear shown, hardware unmarked, interior clean (photo 5), strap in plastic"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": true,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photos 1, 3 and 4: gold-tone geometric rectangular twist clasp, small rings, feet, and handle attachments; no Coach engraving is visible",
        "leather_description": "photos 1-7: brown suede or split-leather-like exterior with darker smooth leather-look piping and trim",
        "lining_description": "photos 3 and 4: smooth brown leather-look or coated lining; no fabric lining label or creed is visible",
        "strap_construction": "photos 1, 5 and 7: single adjustable-looking top handle with stitched smooth trim; an additional long strap is visible beside the bag in photo 1 but its attachment is not fully shown",
        "stitching_description": "photos 1-7: generally even machine stitching around trim and panels; construction appears modern and generic"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0009,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.9,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a structured leather\/suede handbag with a front flap and top handle",
                    "photo 1: brown suede exterior and gold-tone hardware are materials sometimes seen in Coach bags"
                ],
                "negative_evidence": [
                    "photo 1: front closure is a large geometric rectangular twist clasp, not a recognizable vintage Coach turnlock",
                    "photos 3 and 4: smooth coated-looking brown interior and extensive piping do not resemble the unlined suede-back interiors of classic glove-tanned Coach styles",
                    "photos 1-7: no legible COACH wordmark, horse-and-carriage, creed patch, serial\/style number, or Coach hangtag is visible",
                    "photos 1-7: silhouette and construction appear generic rather than a clearly identifiable Coach catalog model",
                    "photo 1: seller lists the bag as unbranded; this is weak evidence but consistent with the absence of Coach identifiers"
                ],
                "missing_information": [
                    "photo 3\/4: a straight-on, close-up photograph of every interior wall and pocket to confirm whether an obscured brand label or creed exists",
                    "photo 3\/4: close-ups of any interior fabric tags, zipper pulls, and hardware markings",
                    "photo 1: close-up of the front clasp and its reverse side",
                    "photo 5: close-up of the handle attachment hardware and stitching",
                    "seller-stated dimensions and country of manufacture"
                ],
                "authenticity_concerns": [
                    "photos 1-7: the geometric clasp, coated-looking lining, and generic construction are lookalike cues rather than Coach-specific construction",
                    "photos 1-7: absence of all visible Coach identifiers prevents a genuine Coach attribution"
                ],
                "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": true,
                    "hangtag_present": false,
                    "hardware_description": "photos 1, 3 and 4: gold-tone geometric rectangular twist clasp, small rings, feet, and handle attachments; no Coach engraving is visible",
                    "leather_description": "photos 1-7: brown suede or split-leather-like exterior with darker smooth leather-look piping and trim",
                    "lining_description": "photos 3 and 4: smooth brown leather-look or coated lining; no fabric lining label or creed is visible",
                    "strap_construction": "photos 1, 5 and 7: single adjustable-looking top handle with stitched smooth trim; an additional long strap is visible beside the bag in photo 1 but its attachment is not fully shown",
                    "stitching_description": "photos 1-7: generally even machine stitching around trim and panels; construction appears modern and generic"
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the bag lacks the catalog-specific turnlock, creed, wordmark, or characteristic classic Coach construction.",
                    "photos 1-7: the large structured suede tote\/handbag shape is compatible with many generic contemporary bags and cannot identify a Coach style.",
                    "Condition: Very Good; exterior appears intact with minor handling\/nap variation, but the interior and underside are only partially assessed."
                ],
                "confidence": 0.88,
                "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": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of any interior creed patch \/ brand stamp straight-on in raking light",
                    "photo of hardware engravings \/ zipper pull brand",
                    "photo of bottom and corners and strap buckle holes"
                ],
                "negative_evidence": [
                    "photo 1-6: no COACH wordmark, horse-and-carriage, or creed patch visible",
                    "photo 1,3,5: small rectangular gold-tone turnlock with round knob does not match vintage Coach solid-brass turnlock geometry",
                    "photo 5: fully leather-lined interior with modern accordion gussets, not unlined glove-tanned suede-back classic construction",
                    "photo 1,4: thin rolled top handle on small D-rings and suede body with piped edges not matching any catalog classic silhouette",
                    "photo 2,4: plain white dustbag with no branding"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone rectangular turnlock with round knob (photo 1,3,5), small gold D-rings for handle, small rectangular keeper plate, base feet (photo 4); bright plated tone, not solid vintage brass patina",
                    "leather_description": "chocolate brown suede exterior body with smooth brown leather trim\/piping and flap underside",
                    "lining_description": "smooth tan-brown leather lining visible in photo 5, no suede-back raw interior",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even tonal straight stitching along flap edge and trim, visible in photo 3,5",
                    "strap_construction": "thin fixed top handle in smooth leather attached via D-rings (photo 1,4) plus coiled detachable shoulder strap visible in photo 1 and bagged in photo 5",
                    "turnlock_present": true
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo so no catalog match; silhouette with suede body, front flap with small square turnlock, back slip pocket, and thin handle does not match Willis (9927), Court (9870), Station (5130), City Bag (9790) or other classics",
                    "Construction is modern fast-fashion: suede + smooth trim, piped edges, leather lining, bright plated hardware",
                    "Condition: Like New \/ Mint; suede uniform, no corner wear shown, hardware unmarked, interior clean (photo 5), strap in plastic"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 27098,
            "output_tokens": 862,
            "total_tokens": 27960,
            "estimated_cost_usd": 0.012908
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 28237,
            "output_tokens": 1286,
            "total_tokens": 29523,
            "estimated_cost_usd": 0.006676
        }
    ]
}