Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.835,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.92,
    "recommended_max_bid": 7.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 20,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Bag is a novelty Halloween tote with an all-over monster, eyeball, bone, bat, brain, and severed-hand graphic; no Coach wordmark, carriage, creed, or recognizable Coach construction is visible.",
        "photo 1: Exterior is predominantly black textile\/canvas with synthetic-looking trim and a wide webbing shoulder strap, not vintage glove-tanned leather.",
        "photo 2: Back has novelty bat graphics, a textile body, and a small exterior zipper pocket; this is inconsistent with the classic vintage Coach handbag styles.",
        "photo 3: Close view shows textile material, decorative printed\/embroidered graphics, and dark contemporary hardware rather than vintage solid-brass Coach hardware.",
        "photo 4: Interior is black textile with multiple sewn pockets and modern-looking zippers; no creed patch, fabric Coach tag, or serial\/style number is visible.",
        "photo 1: black woven canvas body with printed monster \/ eyeball \/ bat graphics, not glove-tanned leather",
        "photo 2-3: silver-tone rivets, D-rings and zippers, faux-leather handle tabs and black webbing crossbody strap, not solid brass",
        "photo 4: black synthetic fabric lining with zip pocket and slip pockets, no leather creed patch visible",
        "photo 1-3: no turnlock, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 5: Bottom, side, and corner close-ups would document condition more fully.",
        "photo 6: Any interior label or sewn-in care\/brand tag should be photographed straight-on, although none is visible in the provided interior view.",
        "No further Coach-specific photos needed; exterior, back, and interior already exclude Coach"
    ],
    "authenticity_concerns": [
        "photo 1: Novelty graphic textile design and construction do not match the vintage Coach leather or documented Coach signature-canvas categories.",
        "photo 4: No Coach identifier is visible in the interior; the absence of a visible identifier is not conclusive by itself, but it provides no support for Coach manufacture.",
        "photo 1-4: novelty Halloween canvas tote construction is inconsistent with any vintage Coach glove-tanned line"
    ],
    "possible_model_reasoning": [
        "No Coach catalog silhouette matches: novelty canvas Halloween tote with dual handles plus webbing strap is outside Coach 1970s-1990s and modern lines",
        "Materials and hardware (canvas, fabric lining, silver-tone plating) point to modern non-Coach fast-fashion \/ novelty maker",
        "Condition: Very Good; canvas clean and print intact in photos 1-3, interior clean in photo 4, full wear not gradable without bottom close-up"
    ],
    "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: Dark metal rivets and rings, silver-tone strap clips, and a dark zipper pull are visible; no Coach engraving is visible.",
        "leather_description": "photo 1: Predominantly black woven textile\/canvas-like material with synthetic-looking black trim; no leather body is visible.",
        "lining_description": "photo 4: Black textile lining with a zippered interior pocket and additional sewn compartments; no brand label or creed is visible.",
        "strap_construction": "photos 1-2: Wide black webbing shoulder strap with adjustable hardware and metal clips; separate short black handles are attached with riveted tabs.",
        "stitching_description": "photos 1, 3-4: Visible machine stitching appears generally even on the textile body and trim; no vintage Coach-specific construction is apparent."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0011,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.92,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Bag is a novelty Halloween tote with an all-over monster, eyeball, bone, bat, brain, and severed-hand graphic; no Coach wordmark, carriage, creed, or recognizable Coach construction is visible.",
                    "photo 1: Exterior is predominantly black textile\/canvas with synthetic-looking trim and a wide webbing shoulder strap, not vintage glove-tanned leather.",
                    "photo 2: Back has novelty bat graphics, a textile body, and a small exterior zipper pocket; this is inconsistent with the classic vintage Coach handbag styles.",
                    "photo 3: Close view shows textile material, decorative printed\/embroidered graphics, and dark contemporary hardware rather than vintage solid-brass Coach hardware.",
                    "photo 4: Interior is black textile with multiple sewn pockets and modern-looking zippers; no creed patch, fabric Coach tag, or serial\/style number is visible."
                ],
                "missing_information": [
                    "photo 5: Bottom, side, and corner close-ups would document condition more fully.",
                    "photo 6: Any interior label or sewn-in care\/brand tag should be photographed straight-on, although none is visible in the provided interior view."
                ],
                "authenticity_concerns": [
                    "photo 1: Novelty graphic textile design and construction do not match the vintage Coach leather or documented Coach signature-canvas categories.",
                    "photo 4: No Coach identifier is visible in the interior; the absence of a visible identifier is not conclusive by itself, but it provides no support for 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": "photo 1: Dark metal rivets and rings, silver-tone strap clips, and a dark zipper pull are visible; no Coach engraving is visible.",
                    "leather_description": "photo 1: Predominantly black woven textile\/canvas-like material with synthetic-looking black trim; no leather body is visible.",
                    "lining_description": "photo 4: Black textile lining with a zippered interior pocket and additional sewn compartments; no brand label or creed is visible.",
                    "strap_construction": "photos 1-2: Wide black webbing shoulder strap with adjustable hardware and metal clips; separate short black handles are attached with riveted tabs.",
                    "stitching_description": "photos 1, 3-4: Visible machine stitching appears generally even on the textile body and trim; no vintage Coach-specific construction is apparent."
                },
                "possible_model_reasoning": [],
                "confidence": 0.94,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 20
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-4: novelty Halloween canvas tote construction is inconsistent with any vintage Coach glove-tanned line"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "No further Coach-specific photos needed; exterior, back, and interior already exclude Coach"
                ],
                "negative_evidence": [
                    "photo 1: black woven canvas body with printed monster \/ eyeball \/ bat graphics, not glove-tanned leather",
                    "photo 2-3: silver-tone rivets, D-rings and zippers, faux-leather handle tabs and black webbing crossbody strap, not solid brass",
                    "photo 4: black synthetic fabric lining with zip pocket and slip pockets, no leather creed patch visible",
                    "photo 1-3: no turnlock, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone rivets, D-rings, lobster clips and zippers; no turnlock; modern plated tone",
                    "leather_description": "no leather body; black woven canvas with novelty Halloween print and faux-leather handle covers",
                    "lining_description": "black fabric lining with interior zip pocket and slip pockets",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching around handle tabs and trim, consistent with mass-market canvas bag",
                    "strap_construction": "short faux-leather top handles riveted on plus detachable adjustable black webbing crossbody strap on metal clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach catalog silhouette matches: novelty canvas Halloween tote with dual handles plus webbing strap is outside Coach 1970s-1990s and modern lines",
                    "Materials and hardware (canvas, fabric lining, silver-tone plating) point to modern non-Coach fast-fashion \/ novelty maker",
                    "Condition: Very Good; canvas clean and print intact in photos 1-3, interior clean in photo 4, full wear not gradable without bottom close-up"
                ],
                "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": 705,
            "total_tokens": 24915,
            "estimated_cost_usd": 0.011376
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 25178,
            "output_tokens": 1272,
            "total_tokens": 26450,
            "estimated_cost_usd": 0.006053
        }
    ]
}