Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.015,
    "vintage_probability": 0.035,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.86,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.91,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a shoulder\/tote handbag with two handles and a central strap closure.",
        "photo 3: A small circular metal tag is visible, but it does not visibly show a Coach wordmark or horse-and-carriage."
    ],
    "negative_evidence": [
        "photo 1: Body is made from crochet-like textile material rather than Coach glove-tanned leather, coated canvas, or recognized Coach signature materials.",
        "photo 1: Bright silver-tone circular rings and buckle hardware are inconsistent with the solid-brass hardware typical of many vintage Coach classics.",
        "photo 1: The silhouette and multicolor crochet construction do not match the documented vintage Coach model catalog.",
        "photo 2: Close-up shows textile crochet construction with no visible Coach branding.",
        "photo 3: The central circular metal tag appears generic and is not a Coach creed patch.",
        "photo 4: Reverse view shows no Coach logo, creed, or recognizable Coach branding.",
        "photo 5: Bottom is entirely crochet textile with no leather Coach construction or feet.",
        "photo 6: Side view shows synthetic\/textile crochet body and generic leather-like trim, not a vintage Coach leather bag.",
        "listing text: Seller identifies the item as unbranded and crochet, which is consistent with the visible construction.",
        "photo 1,2,4,5,6: body is crochet \/ woven textile with striped yarn, not glove-tanned cowhide",
        "photo 1,3,4: silver-tone O-ring strap hardware and magnetic snap closure, not solid brass vintage Coach turnlock",
        "photo 1,3,4: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 1,3,4,6: brown faux-leather-look trim and thin double shoulder straps, not thick glove-tanned leather with brass slides\/dogleash clips",
        "photo 3: magnetic snap marked NO.863333, not a Coach identifier"
    ],
    "missing_information": [
        "photo 3: The circular metal tag should be photographed straight-on at higher resolution to read its complete markings.",
        "Interior lining, interior label, and any fabric brand tag are not shown.",
        "A full interior view, zipper\/closure details, and strap attachment close-ups would further identify the maker.",
        "interior \/ lining not shown (photo 3 shows only top edge and magnetic snap)",
        "no creed patch shown - none expected on this construction",
        "no maker label or fabric tag shown"
    ],
    "authenticity_concerns": [
        "The visible textile crochet construction and generic hardware are inconsistent with the claimed possibility of a vintage Coach leather handbag.",
        "No Coach creed patch, Coach wordmark, horse-and-carriage mark, or recognizable Coach construction is visible.",
        "The circular metal tag is not a standard Coach creed and any number on it cannot establish Coach manufacture."
    ],
    "possible_model_reasoning": [
        "No Coach model is a plausible match: the crochet body, stripe pattern, generic central buckle, and silver-tone ring hardware do not correspond to the listed Coach silhouettes.",
        "The visible circular tag is not a rectangular sewn leather creed patch, and its markings are not sufficiently legible to transcribe.",
        "Condition appears Very Good based on clean, intact visible crochet and trim with no obvious major damage; interior condition, odor, and hidden wear are unknown.",
        "No Coach identifiers visible in any photo; crochet textile construction places bag in excluded-material category per skill which caps coach_probability at 0.05",
        "Silhouette is soft crochet tote with front buckle flap and O-ring straps - matches no vintage Coach catalog style (City, Willis, Court, Station, Duffle, etc.)",
        "Condition: Very Good; exterior crochet appears clean and intact (photo 1,4,5), trim without cracking (photo 2), bottom clean (photo 5), interior unknown 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": "Bright silver-tone circular rings and a central buckle\/strap closure are visible; no Coach engraving is visible.",
        "leather_description": "Brown leather-like or coated trim and straps are visible, but the main body is crochet-like textile; material cannot be confirmed as leather.",
        "lining_description": "not_visible",
        "strap_construction": "Two long brown straps attached through circular rings with stitched tabs; adjustable features are not visible.",
        "stitching_description": "Visible stitching on the brown trim is generally even, with light contrast thread; interior and stress-point stitching are not shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0011,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.01,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.94,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a shoulder\/tote handbag with two handles and a central strap closure.",
                    "photo 3: A small circular metal tag is visible, but it does not visibly show a Coach wordmark or horse-and-carriage."
                ],
                "negative_evidence": [
                    "photo 1: Body is made from crochet-like textile material rather than Coach glove-tanned leather, coated canvas, or recognized Coach signature materials.",
                    "photo 1: Bright silver-tone circular rings and buckle hardware are inconsistent with the solid-brass hardware typical of many vintage Coach classics.",
                    "photo 1: The silhouette and multicolor crochet construction do not match the documented vintage Coach model catalog.",
                    "photo 2: Close-up shows textile crochet construction with no visible Coach branding.",
                    "photo 3: The central circular metal tag appears generic and is not a Coach creed patch.",
                    "photo 4: Reverse view shows no Coach logo, creed, or recognizable Coach branding.",
                    "photo 5: Bottom is entirely crochet textile with no leather Coach construction or feet.",
                    "photo 6: Side view shows synthetic\/textile crochet body and generic leather-like trim, not a vintage Coach leather bag.",
                    "listing text: Seller identifies the item as unbranded and crochet, which is consistent with the visible construction."
                ],
                "missing_information": [
                    "photo 3: The circular metal tag should be photographed straight-on at higher resolution to read its complete markings.",
                    "Interior lining, interior label, and any fabric brand tag are not shown.",
                    "A full interior view, zipper\/closure details, and strap attachment close-ups would further identify the maker."
                ],
                "authenticity_concerns": [
                    "The visible textile crochet construction and generic hardware are inconsistent with the claimed possibility of a vintage Coach leather handbag.",
                    "No Coach creed patch, Coach wordmark, horse-and-carriage mark, or recognizable Coach construction is visible.",
                    "The circular metal tag is not a standard Coach creed and any number on it cannot establish Coach manufacture."
                ],
                "observed_features": {
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "serial_or_style_number_present": true,
                    "serial_or_style_number": "not_visible",
                    "coach_wordmark_present": false,
                    "turnlock_present": false,
                    "hangtag_present": false,
                    "hardware_description": "Bright silver-tone circular rings and a central buckle\/strap closure are visible; no Coach engraving is visible.",
                    "leather_description": "Brown leather-like or coated trim and straps are visible, but the main body is crochet-like textile; material cannot be confirmed as leather.",
                    "lining_description": "not_visible",
                    "strap_construction": "Two long brown straps attached through circular rings with stitched tabs; adjustable features are not visible.",
                    "stitching_description": "Visible stitching on the brown trim is generally even, with light contrast thread; interior and stress-point stitching are not shown."
                },
                "possible_model_reasoning": [
                    "No Coach model is a plausible match: the crochet body, stripe pattern, generic central buckle, and silver-tone ring hardware do not correspond to the listed Coach silhouettes.",
                    "The visible circular tag is not a rectangular sewn leather creed patch, and its markings are not sufficiently legible to transcribe.",
                    "Condition appears Very Good based on clean, intact visible crochet and trim with no obvious major damage; interior condition, odor, and hidden wear are unknown."
                ],
                "confidence": 0.94,
                "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": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.78,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior \/ lining not shown (photo 3 shows only top edge and magnetic snap)",
                    "no creed patch shown - none expected on this construction",
                    "no maker label or fabric tag shown"
                ],
                "negative_evidence": [
                    "photo 1,2,4,5,6: body is crochet \/ woven textile with striped yarn, not glove-tanned cowhide",
                    "photo 1,3,4: silver-tone O-ring strap hardware and magnetic snap closure, not solid brass vintage Coach turnlock",
                    "photo 1,3,4: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 1,3,4,6: brown faux-leather-look trim and thin double shoulder straps, not thick glove-tanned leather with brass slides\/dogleash clips",
                    "photo 3: magnetic snap marked NO.863333, not a Coach identifier"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone O-rings at strap attachments, large front buckle-ring detail, magnetic snap closure; bright plated tone, not solid brass turnlock",
                    "leather_description": "brown smooth faux-leather-look trim and straps, not glove-tanned cowhide; no patina or full-grain characteristics",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrast tan stitching on brown trim visible in photo 2; even machine stitching on trim only",
                    "strap_construction": "double thin faux-leather shoulder straps looped through metal O-rings to body tabs, non-adjustable",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifiers visible in any photo; crochet textile construction places bag in excluded-material category per skill which caps coach_probability at 0.05",
                    "Silhouette is soft crochet tote with front buckle flap and O-ring straps - matches no vintage Coach catalog style (City, Willis, Court, Station, Duffle, etc.)",
                    "Condition: Very Good; exterior crochet appears clean and intact (photo 1,4,5), trim without cracking (photo 2), bottom clean (photo 5), interior unknown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28780,
            "output_tokens": 1003,
            "total_tokens": 29783,
            "estimated_cost_usd": 0.013919
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30096,
            "output_tokens": 1205,
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            "estimated_cost_usd": 0.006983
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}