Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.66,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.845,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 20,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag appears to be a soft textile\/nylon slouch purse rather than a vintage glove-tanned leather Coach bag.",
        "photo 2: visible zipper and hardware are silver-tone and lightweight-looking, not characteristic solid brass hardware of many vintage Coach classics.",
        "photos 1-3: no Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or recognizable Coach construction is visible.",
        "photos 1-3: exposed synthetic-looking fabric, bound seams, and drawstring-style side construction are inconsistent with the classic unlined leather Coach population.",
        "photo 1: body is matte olive nylon textile, not glove-tanned leather",
        "photo 2: silver-tone coil zipper with unbranded rectangular pull, not solid brass Talon\/YKK vintage hardware",
        "photo 3: bungee-cord cinch with silver-tone grommet and fabric shoulder strap, not Coach classic construction",
        "photos 1-3: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag, no turnlock visible"
    ],
    "missing_information": [
        "photo 1-3: interior and any sewn-in brand or care labels are not shown.",
        "photo 1-3: no full front, bottom, strap-end, or interior views are provided.",
        "photo 1-3: material composition cannot be confirmed from the available close-ups.",
        "interior views including any creed patch or fabric tags not shown (photos 1-3 show exterior only)",
        "front \/ back \/ bottom full views not shown for complete silhouette and condition grading",
        "hardware close-ups of brand stamps and Made-in line not shown",
        "strap full length and attachment details not shown"
    ],
    "authenticity_concerns": [
        "photos 1-3: construction and material strongly suggest a generic modern textile bag rather than Coach; no brand identifier supports Coach manufacture."
    ],
    "possible_model_reasoning": [
        "photos 1-3: slouchy textile hobo\/purse silhouette, but it does not correspond visibly to a specific Coach vintage model.",
        "Condition: approximately Very Good based on clean visible exterior and intact-looking seams; interior, bottom, odor, and hidden wear are unknown.",
        "No Coach model matches: nylon slouch hobo with side drawstring cinch and coil zipper does not correspond to any classic glove-tanned catalog style (City Bag, Willis, Court, etc.)",
        "Materials rule out vintage Coach: nylon + silver-tone hardware vs required glove-tanned leather + solid brass for 1970s-1990s classics",
        "No hard identifiers visible in any photo to support Coach manufacture",
        "Condition: appears clean and functional in limited exterior views but cannot grade without bottom, interior and full views; treated as generic used bag"
    ],
    "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 1-3: silver-tone ring fittings and zipper hardware; no Coach engraving visible.",
        "leather_description": "photos 1-3: appears to be olive-green synthetic textile or nylon, not visible leather.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-3: matching textile shoulder strap with sewn\/bound attachment and adjustable-looking sections.",
        "stitching_description": "photos 1-3: visible machine stitching is generally even; textile seams and gathered side construction are visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0006,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag appears to be a soft textile\/nylon slouch purse rather than a vintage glove-tanned leather Coach bag.",
                    "photo 2: visible zipper and hardware are silver-tone and lightweight-looking, not characteristic solid brass hardware of many vintage Coach classics.",
                    "photos 1-3: no Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or recognizable Coach construction is visible.",
                    "photos 1-3: exposed synthetic-looking fabric, bound seams, and drawstring-style side construction are inconsistent with the classic unlined leather Coach population."
                ],
                "missing_information": [
                    "photo 1-3: interior and any sewn-in brand or care labels are not shown.",
                    "photo 1-3: no full front, bottom, strap-end, or interior views are provided.",
                    "photo 1-3: material composition cannot be confirmed from the available close-ups."
                ],
                "authenticity_concerns": [
                    "photos 1-3: construction and material strongly suggest a generic modern textile bag rather than Coach; no brand identifier supports Coach manufacture."
                ],
                "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 1-3: silver-tone ring fittings and zipper hardware; no Coach engraving visible.",
                    "leather_description": "photos 1-3: appears to be olive-green synthetic textile or nylon, not visible leather.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1-3: matching textile shoulder strap with sewn\/bound attachment and adjustable-looking sections.",
                    "stitching_description": "photos 1-3: visible machine stitching is generally even; textile seams and gathered side construction are visible."
                },
                "possible_model_reasoning": [
                    "photos 1-3: slouchy textile hobo\/purse silhouette, but it does not correspond visibly to a specific Coach vintage model.",
                    "Condition: approximately Very Good based on clean visible exterior and intact-looking seams; interior, bottom, odor, and hidden wear are unknown."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 20
            }
        },
        {
            "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": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "interior views including any creed patch or fabric tags not shown (photos 1-3 show exterior only)",
                    "front \/ back \/ bottom full views not shown for complete silhouette and condition grading",
                    "hardware close-ups of brand stamps and Made-in line not shown",
                    "strap full length and attachment details not shown"
                ],
                "negative_evidence": [
                    "photo 1: body is matte olive nylon textile, not glove-tanned leather",
                    "photo 2: silver-tone coil zipper with unbranded rectangular pull, not solid brass Talon\/YKK vintage hardware",
                    "photo 3: bungee-cord cinch with silver-tone grommet and fabric shoulder strap, not Coach classic construction",
                    "photos 1-3: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag, no turnlock visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone zipper with plain rectangular pull (photo 2) and silver-tone eyelet for side cinch cord (photo 3); lightweight plated appearance, not solid brass",
                    "leather_description": "no leather visible; olive drab woven nylon \/ synthetic textile body and strap",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching in matching thread visible on side seams and strap wrap (photos 1-3)",
                    "strap_construction": "soft fabric shoulder strap looped\/wrapped through body, no brass dogleash, buckle or dowel",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model matches: nylon slouch hobo with side drawstring cinch and coil zipper does not correspond to any classic glove-tanned catalog style (City Bag, Willis, Court, etc.)",
                    "Materials rule out vintage Coach: nylon + silver-tone hardware vs required glove-tanned leather + solid brass for 1970s-1990s classics",
                    "No hard identifiers visible in any photo to support Coach manufacture",
                    "Condition: appears clean and functional in limited exterior views but cannot grade without bottom, interior and full views; treated as generic used bag"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16583,
            "output_tokens": 662,
            "total_tokens": 17245,
            "estimated_cost_usd": 0.008222
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16998,
            "output_tokens": 996,
            "total_tokens": 17994,
            "estimated_cost_usd": 0.004196
        }
    ]
}