Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.3,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.8,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.92,
    "recommended_max_bid": 7.5,
    "estimated_resale_low": 10,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with a shoulder strap, flap, and front closure.",
        "photo 5: Handmade crochet construction and orange textile body are clearly visible.",
        "photo 5: The bag has a distinctive vintage\/bohemian appearance, consistent with the seller's general vintage description."
    ],
    "negative_evidence": [
        "photo 1: The bag is made primarily from crochet\/yarn rather than Coach's characteristic leather, coated canvas, or leather-trim construction.",
        "photo 1: No COACH wordmark, horse-and-carriage emblem, or recognizable Coach branding is visible.",
        "photo 1: The front closure is a simple round ring with a yarn-covered strap, not a Coach turnlock.",
        "photo 5: The strap underside appears to use dark synthetic material; the listing also states polyester-blend lining.",
        "photo 1: No leather creed patch, serial\/style number, or Coach hangtag is visible.",
        "photo 1-6: entire body and strap are orange crochet\/knitted yarn, not glove-tanned leather",
        "photo 1-6: closure is wooden D-ring \/ round wood ring, not brass Coach turnlock geometry",
        "photo 5-6: strap underside shows dark fabric, seller states polyester blend lining - inconsistent with unlined vintage Coach classics",
        "photos 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag, no solid brass hardware visible",
        "seller text describes handcrafted crochet, patterned vintage soft yarn, wood closure, polyester blend - all excluded materials per triage"
    ],
    "missing_information": [
        "Interior and lining close-up, although the seller states it has polyester-blend lining.",
        "Close-up of the closure and strap attachment points.",
        "Any interior labels, maker labels, or handwritten\/printed tags.",
        "Bottom, side, and seam close-ups to assess construction and exact condition.",
        "interior and lining not shown emptied in photos; seller states polyester blend lining (unverified in photos)",
        "no creed patch shown - request interior back wall \/ pocket close-up if Coach suspected",
        "no hardware stamps or brand marks shown"
    ],
    "authenticity_concerns": [
        "The crochet\/yarn body, synthetic lining, and non-Coach ring closure are inconsistent with vintage Coach handbag construction.",
        "No Coach identifier is visible, and the overall design appears to be a handmade or generic bohemian bag rather than a Coach model."
    ],
    "possible_model_reasoning": [
        "No Coach model is a plausible match because the bag is crochet rather than a Coach leather or signature-canvas design and lacks all visible Coach identifiers.",
        "The seller's 1970s claim cannot be verified from the photos; the design may be vintage or vintage-inspired, but there is no Coach-specific dating evidence.",
        "Condition: Very Good based on the visible intact crochet and strap; the interior, odor, and hidden attachment points are not fully shown.",
        "No Coach model fits: silhouette is soft crochet flap with wood ring, not a catalog leather style; no identifiers to decode",
        "Era reasoning: crochet\/macrame textile plus wood hardware and polyester lining excludes all vintage Coach glove-tanned eras",
        "Condition: appears intact and clean in exterior photos but interior, bottom and odor unknown so no formal grade; exterior shows no tears in photos 1-6"
    ],
    "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: Round ring closure in a copper\/gold-tone finish; no Coach engraving is visible. A yarn-covered center strap passes through the ring.",
        "leather_description": "photo 1: No leather body or leather trim is visible; the body and strap are crocheted yarn\/textile.",
        "lining_description": "photo 5: Dark synthetic-looking material is visible on the underside of the strap. Seller states the lining is polyester blend; the full interior is not shown.",
        "strap_construction": "photos 1 and 5: Single crocheted shoulder strap, apparently backed or edged with dark synthetic material; no leather adjustment hardware is visible.",
        "stitching_description": "photos 1-6: Crochet stitches are generally even and handmade-looking; conventional sewn seam stitching is not visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0019,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.35,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.9,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with a shoulder strap, flap, and front closure.",
                    "photo 5: Handmade crochet construction and orange textile body are clearly visible.",
                    "photo 5: The bag has a distinctive vintage\/bohemian appearance, consistent with the seller's general vintage description."
                ],
                "negative_evidence": [
                    "photo 1: The bag is made primarily from crochet\/yarn rather than Coach's characteristic leather, coated canvas, or leather-trim construction.",
                    "photo 1: No COACH wordmark, horse-and-carriage emblem, or recognizable Coach branding is visible.",
                    "photo 1: The front closure is a simple round ring with a yarn-covered strap, not a Coach turnlock.",
                    "photo 5: The strap underside appears to use dark synthetic material; the listing also states polyester-blend lining.",
                    "photo 1: No leather creed patch, serial\/style number, or Coach hangtag is visible."
                ],
                "missing_information": [
                    "Interior and lining close-up, although the seller states it has polyester-blend lining.",
                    "Close-up of the closure and strap attachment points.",
                    "Any interior labels, maker labels, or handwritten\/printed tags.",
                    "Bottom, side, and seam close-ups to assess construction and exact condition."
                ],
                "authenticity_concerns": [
                    "The crochet\/yarn body, synthetic lining, and non-Coach ring closure are inconsistent with vintage Coach handbag construction.",
                    "No Coach identifier is visible, and the overall design appears to be a handmade or generic bohemian bag rather than a Coach model."
                ],
                "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: Round ring closure in a copper\/gold-tone finish; no Coach engraving is visible. A yarn-covered center strap passes through the ring.",
                    "leather_description": "photo 1: No leather body or leather trim is visible; the body and strap are crocheted yarn\/textile.",
                    "lining_description": "photo 5: Dark synthetic-looking material is visible on the underside of the strap. Seller states the lining is polyester blend; the full interior is not shown.",
                    "strap_construction": "photos 1 and 5: Single crocheted shoulder strap, apparently backed or edged with dark synthetic material; no leather adjustment hardware is visible.",
                    "stitching_description": "photos 1-6: Crochet stitches are generally even and handmade-looking; conventional sewn seam stitching is not visible."
                },
                "possible_model_reasoning": [
                    "No Coach model is a plausible match because the bag is crochet rather than a Coach leather or signature-canvas design and lacks all visible Coach identifiers.",
                    "The seller's 1970s claim cannot be verified from the photos; the design may be vintage or vintage-inspired, but there is no Coach-specific dating evidence.",
                    "Condition: Very Good based on the visible intact crochet and strap; the interior, odor, and hidden attachment points are not fully shown."
                ],
                "confidence": 0.94,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 50
            }
        },
        {
            "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": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "interior and lining not shown emptied in photos; seller states polyester blend lining (unverified in photos)",
                    "no creed patch shown - request interior back wall \/ pocket close-up if Coach suspected",
                    "no hardware stamps or brand marks shown"
                ],
                "negative_evidence": [
                    "photo 1-6: entire body and strap are orange crochet\/knitted yarn, not glove-tanned leather",
                    "photo 1-6: closure is wooden D-ring \/ round wood ring, not brass Coach turnlock geometry",
                    "photo 5-6: strap underside shows dark fabric, seller states polyester blend lining - inconsistent with unlined vintage Coach classics",
                    "photos 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag, no solid brass hardware visible",
                    "seller text describes handcrafted crochet, patterned vintage soft yarn, wood closure, polyester blend - all excluded materials per triage"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "wooden round ring closure on front flap (photos 1-5); no brass turnlock, no metal hardware visible",
                    "leather_description": "no leather visible; orange-brown crochet\/knit yarn textile body and strap in all photos",
                    "lining_description": "not_visible; interior not shown; dark fabric visible on underside of strap in photo 5-6; seller states polyester blend lining",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "crochet knit stitches throughout, not leather stitching; no matched thread seams visible",
                    "strap_construction": "single padded crochet shoulder strap, sewn to body, dark fabric underside visible in photo 5-6",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette is soft crochet flap with wood ring, not a catalog leather style; no identifiers to decode",
                    "Era reasoning: crochet\/macrame textile plus wood hardware and polyester lining excludes all vintage Coach glove-tanned eras",
                    "Condition: appears intact and clean in exterior photos but interior, bottom and odor unknown so no formal grade; exterior shows no tears in photos 1-6"
                ],
                "possible_models": [],
                "recommended_max_bid": 5,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.25
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17795,
            "output_tokens": 865,
            "total_tokens": 18660,
            "estimated_cost_usd": 0.009194
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18139,
            "output_tokens": 1405,
            "total_tokens": 19544,
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}