Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.035,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.835,
    "recommended_max_bid": 15,
    "estimated_resale_low": 20,
    "estimated_resale_high": 55,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a large structured leather handbag with top handles and a detachable shoulder strap.",
        "photo 4: visible gold-tone hardware and a front zipper pocket, confirming a functional handbag rather than a small accessory.",
        "photo 1,4,5,6: leather handbag with brass-tone hardware in black, the population where misidentified Coach could hide"
    ],
    "negative_evidence": [
        "photo 1: no visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or hangtag.",
        "photo 4: the prominent rectangular turnlock and strap arrangement do not resemble the elegant, simpler turnlock construction typical of classic vintage Coach styles.",
        "photos 1, 2, 4, 5, and 6: heavily pebbled glossy leather, numerous decorative metal plates, and a modern designer-inspired tote construction are inconsistent with the usual vintage Coach glove-tanned classic profile.",
        "photo 2: the staged multi-color product display appears promotional or stock-like rather than documentary secondhand photography, reducing confidence in condition and construction assessment.",
        "photo 6: visible construction is generic and no Coach-specific identifier is shown.",
        "photo 1,4,5,6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 1,4,5,6: closure is Kelly-style belt strap with flat rectangular plates and small turn stud, not vintage Coach turnlock geometry (wide thin oval back plate with slim rounded tab)",
        "photo 1,4,5,6: large soft tote with full-width exterior front zip pocket and riveted handle tabs does not match any classic Coach catalog silhouette (City Bag, Willis, Court, Station, Duffle Sac, etc.)",
        "photo 2: same style shown new in three colors (brown, burgundy, black) in staged retail display, indicating modern mass-produced new product, not vintage glove-tanned Coach",
        "photo 1,4,5,6: pebbled grain and bright gold-tone plated hardware with rectangular zipper pull, no solid-brass vintage patina or Talon\/YKK vintage cues"
    ],
    "missing_information": [
        "Straight-on close-up of the interior, including every sewn-in leather or fabric label.",
        "Close-up of any interior creed patch, serial\/style tag, and country-of-manufacture line.",
        "Close-ups of zipper pulls, turnlock backs, and all hardware markings.",
        "Interior emptied, bottom, corners, seams, and lining condition.",
        "Seller-stated dimensions and confirmation that the photographed item is the actual item rather than stock imagery.",
        "interior emptied views and creed patch close-up not shown (photos 1-6 show exterior\/lifestyle only)",
        "bottom\/corner and hardware engraving close-ups not shown",
        "seller-stated dimensions, lining material, and country of manufacture not provided"
    ],
    "authenticity_concerns": [
        "No Coach identifiers are visible despite multiple exterior views.",
        "The decorative multi-piece turnlock and pebbled glossy leather suggest a generic or designer-inspired bag rather than a documented Coach model.",
        "The listing's 'Italian genuine leather' claim is seller-stated and cannot be verified from the photos."
    ],
    "possible_model_reasoning": [
        "The bag is a large structured tote with a front zip pocket and decorative turnlock, but no Coach catalog model can be supported from the visible features.",
        "The prominent hardware and overall silhouette are more consistent with a modern generic designer-inspired tote than with a vintage Coach City Bag, Willis, Court, or Station.",
        "Condition: apparently Very Good or better from the staged exterior photos, but this is provisional because the interior, bottom, odor, lining, and actual-item status are not established.",
        "No Coach model match: tote proportions, Kelly-style belt hardware, exterior zip pocket, dual rolled handles plus detachable strap fit modern unbranded Italian-style work tote, not any \u00a74 classic",
        "Era reasoning: staged lifestyle\/retail photos, multi-color new inventory, pebbled modern leather and plated hardware point to modern (2000s+) non-Coach",
        "Condition: appears New\/Like New unused display product in photos 1,4,5,6, but no bottom, interior, or strap-fold close-ups 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": true,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1: multiple gold-tone rectangular plates, a central turning tab, rivets, rings, and a front zipper pull are visible; no Coach engraving is legible.",
        "leather_description": "photos 1, 4, 5, and 6: black, strongly pebbled, glossy-looking leather or leather-like material; exact leather type cannot be confirmed.",
        "lining_description": "not_visible",
        "strap_construction": "photos 4 and 6: two rolled top handles attached with riveted tabs and rings, plus a detachable adjustable shoulder strap with clasp hardware.",
        "stitching_description": "photos 1, 4, 5, and 6: visible exterior stitching appears generally regular, but close-up stress-point stitching is not available."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.001,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a large structured leather handbag with top handles and a detachable shoulder strap.",
                    "photo 4: visible gold-tone hardware and a front zipper pocket, confirming a functional handbag rather than a small accessory."
                ],
                "negative_evidence": [
                    "photo 1: no visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or hangtag.",
                    "photo 4: the prominent rectangular turnlock and strap arrangement do not resemble the elegant, simpler turnlock construction typical of classic vintage Coach styles.",
                    "photos 1, 2, 4, 5, and 6: heavily pebbled glossy leather, numerous decorative metal plates, and a modern designer-inspired tote construction are inconsistent with the usual vintage Coach glove-tanned classic profile.",
                    "photo 2: the staged multi-color product display appears promotional or stock-like rather than documentary secondhand photography, reducing confidence in condition and construction assessment.",
                    "photo 6: visible construction is generic and no Coach-specific identifier is shown."
                ],
                "missing_information": [
                    "Straight-on close-up of the interior, including every sewn-in leather or fabric label.",
                    "Close-up of any interior creed patch, serial\/style tag, and country-of-manufacture line.",
                    "Close-ups of zipper pulls, turnlock backs, and all hardware markings.",
                    "Interior emptied, bottom, corners, seams, and lining condition.",
                    "Seller-stated dimensions and confirmation that the photographed item is the actual item rather than stock imagery."
                ],
                "authenticity_concerns": [
                    "No Coach identifiers are visible despite multiple exterior views.",
                    "The decorative multi-piece turnlock and pebbled glossy leather suggest a generic or designer-inspired bag rather than a documented Coach model.",
                    "The listing's 'Italian genuine leather' claim is seller-stated and cannot be verified from the photos."
                ],
                "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": "photo 1: multiple gold-tone rectangular plates, a central turning tab, rivets, rings, and a front zipper pull are visible; no Coach engraving is legible.",
                    "leather_description": "photos 1, 4, 5, and 6: black, strongly pebbled, glossy-looking leather or leather-like material; exact leather type cannot be confirmed.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 4 and 6: two rolled top handles attached with riveted tabs and rings, plus a detachable adjustable shoulder strap with clasp hardware.",
                    "stitching_description": "photos 1, 4, 5, and 6: visible exterior stitching appears generally regular, but close-up stress-point stitching is not available."
                },
                "possible_model_reasoning": [
                    "The bag is a large structured tote with a front zip pocket and decorative turnlock, but no Coach catalog model can be supported from the visible features.",
                    "The prominent hardware and overall silhouette are more consistent with a modern generic designer-inspired tote than with a vintage Coach City Bag, Willis, Court, or Station.",
                    "Condition: apparently Very Good or better from the staged exterior photos, but this is provisional because the interior, bottom, odor, lining, and actual-item status are not established."
                ],
                "confidence": 0.82,
                "recommended_max_bid": 10,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "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": 50,
                "estimated_resale_low": 20,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior emptied views and creed patch close-up not shown (photos 1-6 show exterior\/lifestyle only)",
                    "bottom\/corner and hardware engraving close-ups not shown",
                    "seller-stated dimensions, lining material, and country of manufacture not provided"
                ],
                "negative_evidence": [
                    "photo 1,4,5,6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 1,4,5,6: closure is Kelly-style belt strap with flat rectangular plates and small turn stud, not vintage Coach turnlock geometry (wide thin oval back plate with slim rounded tab)",
                    "photo 1,4,5,6: large soft tote with full-width exterior front zip pocket and riveted handle tabs does not match any classic Coach catalog silhouette (City Bag, Willis, Court, Station, Duffle Sac, etc.)",
                    "photo 2: same style shown new in three colors (brown, burgundy, black) in staged retail display, indicating modern mass-produced new product, not vintage glove-tanned Coach",
                    "photo 1,4,5,6: pebbled grain and bright gold-tone plated hardware with rectangular zipper pull, no solid-brass vintage patina or Talon\/YKK vintage cues"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold\/brass-tone flat rectangular belt plates with central turn stud, round rivets, U-shaped handle rings, side D-rings, front zip with rectangular hollow pull; bright plated appearance, not solid vintage brass Coach turnlock\/buckle",
                    "leather_description": "black pebbled-grain leather, soft slouchy hand, uniform modern milled texture in photos 1,4,5,6",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "appears straight and tone-matched at distance in photos 1,4,5; no close-up to assess stress points",
                    "strap_construction": "dual rolled top handles riveted to body via D-rings; detachable adjustable crossbody strap with lobster\/dogleash-type clips shown in photo 4",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 1,4,5,6: leather handbag with brass-tone hardware in black, the population where misidentified Coach could hide"
                ],
                "possible_model_reasoning": [
                    "No Coach model match: tote proportions, Kelly-style belt hardware, exterior zip pocket, dual rolled handles plus detachable strap fit modern unbranded Italian-style work tote, not any \u00a74 classic",
                    "Era reasoning: staged lifestyle\/retail photos, multi-color new inventory, pebbled modern leather and plated hardware point to modern (2000s+) non-Coach",
                    "Condition: appears New\/Like New unused display product in photos 1,4,5,6, but no bottom, interior, or strap-fold close-ups so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 20,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 26354,
            "output_tokens": 912,
            "total_tokens": 27266,
            "estimated_cost_usd": 0.01273
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 27555,
            "output_tokens": 1742,
            "total_tokens": 29297,
            "estimated_cost_usd": 0.006905
        }
    ]
}