Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.76,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.88,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: both items appear to be lightweight, soft, multi-zip crossbody bags with generic construction rather than vintage Coach silhouettes.",
        "photo 2: no visible Coach wordmark, horse-and-carriage, creed patch, or recognizable Coach hardware.",
        "photo 3: the visible interior uses a repeating black-and-tan chevron\/zigzag synthetic-looking lining, not the typical unlined suede interior of classic vintage Coach bags.",
        "photo 4: the interiors show ordinary fabric lining and no visible creed or Coach identification.",
        "photo 1: hardware appears light\/plated and the bags use multiple exposed zippers and thin straps, inconsistent with classic glove-tanned Coach construction.",
        "photo 1, photo 2: two small zip-top crossbodies with thin faux-leather-like grain and sheen, not glove-tanned leather",
        "photo 3, photo 4: printed herringbone polyester lining, not unlined suede or Coach lining",
        "photo 1, photo 2: bright gold-tone exposed zippers and lobster-clasp strap attachments, not solid brass vintage hardware",
        "photo 1, photo 2: no turnlock, no leather hangtag, no COACH wordmark or carriage visible",
        "photo 1, photo 2: modern fast-fashion multi-zip crossbody silhouette with tassel pulls, no Coach catalog match"
    ],
    "missing_information": [
        "Straight-on photographs of every interior wall and pocket seam, although the shown interiors do not display a creed.",
        "Close-ups of all zipper pulls, strap clips, and any embossed marks.",
        "Bottom, side, and back photographs of both bags.",
        "Material and brand\/care labels, if present.",
        "no creed patch shown - none expected for this construction",
        "no exterior back\/bottom close-ups, but silhouette and materials already diagnostic",
        "no hardware brand stamps legible"
    ],
    "authenticity_concerns": [
        "photo 1: the bags lack visible Coach identifiers and have generic modern multi-zip crossbody construction.",
        "photo 3: the synthetic-looking printed lining and lightweight construction are inconsistent with classic vintage Coach glove-tanned handbags."
    ],
    "possible_model_reasoning": [
        "No Coach model is supported by the photos. The compact rectangular multi-zip crossbody format is common among contemporary unbranded or department-store bags.",
        "photo 2: the two items are presented as a generic handbag lot and do not show the structured flap, turnlock, brass hardware, or unlined leather associated with likely vintage Coach candidates.",
        "Condition: approximately Very Good based on visible exteriors, with no major damage apparent; interiors and hardware function are not fully assessable.",
        "No Coach model fits: zip-top multi-pocket faux-leather crossbodies with polyester lining and plated hardware are outside Coach materials and construction",
        "Condition: appears Like New to Excellent for what they are, but graded as generic fast-fashion, not vintage Coach"
    ],
    "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: light gold-tone zipper hardware, swivel clips, and thin strap fittings are visible; no Coach engraving is legible.",
        "leather_description": "photo 1: smooth, lightweight-looking blue and blush-pink material; genuine leather cannot be established and the construction appears synthetic or coated.",
        "lining_description": "photos 3-4: both bags have fabric linings with repeating black-and-tan chevron\/zigzag patterns.",
        "strap_construction": "photos 1-2: thin adjustable crossbody straps attached with small swivel clips; the straps have visible decorative zigzag stitching or embossing.",
        "stitching_description": "photos 1-2: visible machine stitching is generally even, with contrasting light thread on the pink bag; no distinctive Coach construction is 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": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: both items appear to be lightweight, soft, multi-zip crossbody bags with generic construction rather than vintage Coach silhouettes.",
                    "photo 2: no visible Coach wordmark, horse-and-carriage, creed patch, or recognizable Coach hardware.",
                    "photo 3: the visible interior uses a repeating black-and-tan chevron\/zigzag synthetic-looking lining, not the typical unlined suede interior of classic vintage Coach bags.",
                    "photo 4: the interiors show ordinary fabric lining and no visible creed or Coach identification.",
                    "photo 1: hardware appears light\/plated and the bags use multiple exposed zippers and thin straps, inconsistent with classic glove-tanned Coach construction."
                ],
                "missing_information": [
                    "Straight-on photographs of every interior wall and pocket seam, although the shown interiors do not display a creed.",
                    "Close-ups of all zipper pulls, strap clips, and any embossed marks.",
                    "Bottom, side, and back photographs of both bags.",
                    "Material and brand\/care labels, if present."
                ],
                "authenticity_concerns": [
                    "photo 1: the bags lack visible Coach identifiers and have generic modern multi-zip crossbody construction.",
                    "photo 3: the synthetic-looking printed lining and lightweight construction are inconsistent with classic vintage Coach glove-tanned handbags."
                ],
                "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: light gold-tone zipper hardware, swivel clips, and thin strap fittings are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1: smooth, lightweight-looking blue and blush-pink material; genuine leather cannot be established and the construction appears synthetic or coated.",
                    "lining_description": "photos 3-4: both bags have fabric linings with repeating black-and-tan chevron\/zigzag patterns.",
                    "strap_construction": "photos 1-2: thin adjustable crossbody straps attached with small swivel clips; the straps have visible decorative zigzag stitching or embossing.",
                    "stitching_description": "photos 1-2: visible machine stitching is generally even, with contrasting light thread on the pink bag; no distinctive Coach construction is visible."
                },
                "possible_model_reasoning": [
                    "No Coach model is supported by the photos. The compact rectangular multi-zip crossbody format is common among contemporary unbranded or department-store bags.",
                    "photo 2: the two items are presented as a generic handbag lot and do not show the structured flap, turnlock, brass hardware, or unlined leather associated with likely vintage Coach candidates.",
                    "Condition: approximately Very Good based on visible exteriors, with no major damage apparent; interiors and hardware function are not fully assessable."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "no creed patch shown - none expected for this construction",
                    "no exterior back\/bottom close-ups, but silhouette and materials already diagnostic",
                    "no hardware brand stamps legible"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: two small zip-top crossbodies with thin faux-leather-like grain and sheen, not glove-tanned leather",
                    "photo 3, photo 4: printed herringbone polyester lining, not unlined suede or Coach lining",
                    "photo 1, photo 2: bright gold-tone exposed zippers and lobster-clasp strap attachments, not solid brass vintage hardware",
                    "photo 1, photo 2: no turnlock, no leather hangtag, no COACH wordmark or carriage visible",
                    "photo 1, photo 2: modern fast-fashion multi-zip crossbody silhouette with tassel pulls, no Coach catalog match"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone zippers with rectangular pull tabs and gold-tone lobster-clasp strap clips; thin, bright plated appearance",
                    "leather_description": "smooth thin material with faux-leather grain and slight sheen in light blue and pale pink; lightweight appearance, not thick glove-tanned cowhide",
                    "lining_description": "printed black-and-white herringbone polyester lining with interior zip pocket visible in photo 3 and photo 4",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even machine stitching around zip panels, thread matched to body",
                    "strap_construction": "thin flat adjustable crossbody straps with lobster-clasp ends",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: zip-top multi-pocket faux-leather crossbodies with polyester lining and plated hardware are outside Coach materials and construction",
                    "Condition: appears Like New to Excellent for what they are, but graded as generic fast-fashion, not vintage Coach"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 24210,
            "output_tokens": 780,
            "total_tokens": 24990,
            "estimated_cost_usd": 0.011556
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 25179,
            "output_tokens": 867,
            "total_tokens": 26046,
            "estimated_cost_usd": 0.005729
        }
    ]
}