Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.055,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.84,
    "recommended_max_bid": 10,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: large decorative shell-style clasp and heavily embellished metallic abstract construction are not characteristic of vintage Coach hardware or silhouettes.",
        "photo 2: exterior uses multiple gathered, appliqu\u00e9d and glossy metallic-looking panels rather than the restrained glove-tanned leather construction typical of vintage Coach.",
        "photo 3: visible interior is black fabric-lined, with no rectangular Coach creed patch or other brand identifier.",
        "photo 4: closure appears to be a decorative shell\/button arrangement with drawstring-style construction, not a recognizable Coach turnlock.",
        "photo 5: long thin strap and ornate sculptural design suggest a modern novelty or artisan-style bag rather than a catalog vintage Coach model.",
        "photo 1, photo 5: large natural abalone-type shell used as front closure - never used by Coach",
        "photo 1, photo 2, photo 4, photo 5: black base with silver\/grey abstract metallic drip paint finish - inconsistent with vintage Coach glove-tanned cowhide",
        "photo 3, photo 4: black fabric lining - inconsistent with unlined suede-back vintage Coach classics",
        "photo 4, photo 5: thin black cord drawstring \/ cord shoulder strap - inconsistent with Coach buckle-adjustable leather strap with brass dogleash clips",
        "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag, no solid-brass turnlock visible"
    ],
    "missing_information": [
        "photo 3: close, straight-on inspection of all interior walls and pockets for any small sewn-in brand or creed label.",
        "photo 2: close-ups of strap attachment points, bottom, and hardware to assess material and construction.",
        "Seller-stated material is only that the exterior feels like leather; a material\/composition tag is not shown.",
        "photo 3, photo 4: interior is shown but dark; no creed patch visible - request straight-on raking-light photo of interior back wall and pockets to confirm no creed",
        "photo 1, photo 5: closure hardware detail - confirm how shell attaches and whether any maker stamp on back plate",
        "photo 2, photo 4, photo 5: bottom, side and strap anchor details not shown"
    ],
    "authenticity_concerns": [
        "No visible Coach identifier supports Coach manufacture.",
        "The visible fabric lining and ornate shell embellishment are inconsistent with the classic vintage Coach styles this listing might otherwise resemble.",
        "The glossy, layered exterior may be synthetic, coated, or embellished material; no evidence of Coach glove-tanned leather is visible."
    ],
    "possible_model_reasoning": [
        "No Coach model is a plausible match: the shell centerpiece, gathered pouch construction, and highly embellished metallic exterior do not correspond to the listed vintage Coach catalog silhouettes.",
        "The visible fabric lining and modern novelty styling support a modern non-Coach classification.",
        "Condition: Very Good based on the seller's description and generally intact appearance in the photos; interior and embellishment wear are not fully assessable.",
        "photo 5: 9.5x9.5 in soft gathered pouch\/shoulder silhouette with shell closure does not match any Coach catalog style in \u00a74 - no turnlock flap, no Duffle Sac buckle straps, no City\/Willis\/Court\/Station structure",
        "photo 1-5: no hard identifiers - no creed, no serial, no wordmark, no hangtag, no brass turnlock - fails \u00a71 Step 3",
        "photo 2-4: painted\/metallic finish plus fabric lining plus cord strap points to modern artisan \/ unbranded boutique bag, not Coach",
        "Condition: seller states great preowned; photos show soft slouch with no obvious tears; interior not fully emptied and bottom\/corners not shown 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": "Large iridescent shell-like decorative centerpiece and small dark fittings are visible; no Coach-marked hardware or classic Coach turnlock is visible.",
        "leather_description": "Exterior appears textured and layered with glossy metallic\/abstract appliqu\u00e9 panels; exact material is not confirmed from photos.",
        "lining_description": "Black fabric lining is visible in photos 3 and 4; no brand label is visible.",
        "strap_construction": "Thin dark shoulder\/crossbody strap attached at the sides; details are partly obscured, with no visible Coach-style buckle or dogleash clips.",
        "stitching_description": "Decorative layered construction and visible seams are present, but stitch quality and stress-point construction cannot be assessed fully."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0019,
    "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": 0.86,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: large decorative shell-style clasp and heavily embellished metallic abstract construction are not characteristic of vintage Coach hardware or silhouettes.",
                    "photo 2: exterior uses multiple gathered, appliqu\u00e9d and glossy metallic-looking panels rather than the restrained glove-tanned leather construction typical of vintage Coach.",
                    "photo 3: visible interior is black fabric-lined, with no rectangular Coach creed patch or other brand identifier.",
                    "photo 4: closure appears to be a decorative shell\/button arrangement with drawstring-style construction, not a recognizable Coach turnlock.",
                    "photo 5: long thin strap and ornate sculptural design suggest a modern novelty or artisan-style bag rather than a catalog vintage Coach model."
                ],
                "missing_information": [
                    "photo 3: close, straight-on inspection of all interior walls and pockets for any small sewn-in brand or creed label.",
                    "photo 2: close-ups of strap attachment points, bottom, and hardware to assess material and construction.",
                    "Seller-stated material is only that the exterior feels like leather; a material\/composition tag is not shown."
                ],
                "authenticity_concerns": [
                    "No visible Coach identifier supports Coach manufacture.",
                    "The visible fabric lining and ornate shell embellishment are inconsistent with the classic vintage Coach styles this listing might otherwise resemble.",
                    "The glossy, layered exterior may be synthetic, coated, or embellished material; no evidence of Coach glove-tanned leather is visible."
                ],
                "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": "Large iridescent shell-like decorative centerpiece and small dark fittings are visible; no Coach-marked hardware or classic Coach turnlock is visible.",
                    "leather_description": "Exterior appears textured and layered with glossy metallic\/abstract appliqu\u00e9 panels; exact material is not confirmed from photos.",
                    "lining_description": "Black fabric lining is visible in photos 3 and 4; no brand label is visible.",
                    "strap_construction": "Thin dark shoulder\/crossbody strap attached at the sides; details are partly obscured, with no visible Coach-style buckle or dogleash clips.",
                    "stitching_description": "Decorative layered construction and visible seams are present, but stitch quality and stress-point construction cannot be assessed fully."
                },
                "possible_model_reasoning": [
                    "No Coach model is a plausible match: the shell centerpiece, gathered pouch construction, and highly embellished metallic exterior do not correspond to the listed vintage Coach catalog silhouettes.",
                    "The visible fabric lining and modern novelty styling support a modern non-Coach classification.",
                    "Condition: Very Good based on the seller's description and generally intact appearance in the photos; interior and embellishment wear are not fully assessable."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.8,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo 3, photo 4: interior is shown but dark; no creed patch visible - request straight-on raking-light photo of interior back wall and pockets to confirm no creed",
                    "photo 1, photo 5: closure hardware detail - confirm how shell attaches and whether any maker stamp on back plate",
                    "photo 2, photo 4, photo 5: bottom, side and strap anchor details not shown"
                ],
                "negative_evidence": [
                    "photo 1, photo 5: large natural abalone-type shell used as front closure - never used by Coach",
                    "photo 1, photo 2, photo 4, photo 5: black base with silver\/grey abstract metallic drip paint finish - inconsistent with vintage Coach glove-tanned cowhide",
                    "photo 3, photo 4: black fabric lining - inconsistent with unlined suede-back vintage Coach classics",
                    "photo 4, photo 5: thin black cord drawstring \/ cord shoulder strap - inconsistent with Coach buckle-adjustable leather strap with brass dogleash clips",
                    "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag, no solid-brass turnlock visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 1, photo 5: large oval natural shell as decorative front clasp; photo 4: thin black cord drawstring and thin twisted cord shoulder strap; no solid-brass turnlock, buckle, D-rings or dogleash clips visible",
                    "leather_description": "photo 1, photo 2, photo 4, photo 5: soft slouchy bag in black\/grey with silver-metallic abstract painted drip pattern; seller states feels like leather but no tag confirming; not glove-tanned cowhide finish",
                    "lining_description": "photo 3, photo 4: black fabric lining visible inside; no suede-back unlined interior",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "photo 4, photo 5: long thin black cord shoulder strap, ~17 inch drop per seller; no buckle adjustment, no leather shoulder strap",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 5: 9.5x9.5 in soft gathered pouch\/shoulder silhouette with shell closure does not match any Coach catalog style in \u00a74 - no turnlock flap, no Duffle Sac buckle straps, no City\/Willis\/Court\/Station structure",
                    "photo 1-5: no hard identifiers - no creed, no serial, no wordmark, no hangtag, no brass turnlock - fails \u00a71 Step 3",
                    "photo 2-4: painted\/metallic finish plus fabric lining plus cord strap points to modern artisan \/ unbranded boutique bag, not Coach",
                    "Condition: seller states great preowned; photos show soft slouch with no obvious tears; interior not fully emptied and bottom\/corners not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.08
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17297,
            "output_tokens": 785,
            "total_tokens": 18082,
            "estimated_cost_usd": 0.008803
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17624,
            "output_tokens": 1271,
            "total_tokens": 18895,
            "estimated_cost_usd": 0.004542
        }
    ]
}