Vintage Coach Hunter

{
    "is_handbag_probability": 0.03,
    "coach_probability": 0.015,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.685,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.9,
    "recommended_max_bid": 5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 17.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: The listing appears to show a detachable shoulder strap\/accessory rather than a complete handbag.",
        "photo 1: No COACH wordmark, horse-and-carriage mark, creed patch, or recognizable Coach construction is visible."
    ],
    "negative_evidence": [
        "photo 1: Strap is black textile with colorful Western-themed embroidery and rhinestone-like decorations, not visibly Coach glove-tanned leather.",
        "photo 1: Visible clips and strap construction do not provide a recognizable vintage Coach identifier.",
        "photo 1: The seller's title and description identify an unbranded Western purse shoulder strap; this is weak text evidence but consistent with the visible accessory.",
        "photo 1: object is a detachable shoulder strap only, not a handbag body",
        "photo 1: beaded fabric strap with western motifs (boots, cactus, horseshoe) - not Coach glove-tanned leather construction",
        "photo 1: no creed patch, no COACH wordmark, no turnlock, no hangtag visible",
        "photo 1: gold-tone lobster clips, beaded textile - inconsistent with vintage Coach materials"
    ],
    "missing_information": [
        "photo 1: No complete handbag is shown, so the strap's intended bag and compatibility cannot be assessed.",
        "A close-up of both hardware clips and any reverse-side labels or markings would be needed to identify the accessory's maker.",
        "No handbag present to assess; no creed, lining, or leather body to examine",
        "No Coach identifiers visible to verify"
    ],
    "authenticity_concerns": [
        "photo 1: No evidence of Coach manufacture is visible; the decorative textile Western design is inconsistent with the usual vintage Coach leather handbag population."
    ],
    "possible_model_reasoning": [
        "photo 1: This is an accessory strap, not a Coach handbag, so no Coach model match is appropriate.",
        "Condition: Not gradable as a handbag; the strap appears intact in the provided photo, but hardware function, odors, and concealed wear are unknown.",
        "Not a handbag; object is an accessory strap so no Coach handbag model match possible",
        "No creed, wordmark, glove-tanned leather, solid brass vintage hardware, or catalog silhouette to support Coach manufacture"
    ],
    "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: Small gold-tone swivel clips and attachment hardware are visible; no Coach engraving is legible.",
        "leather_description": "photo 1: Black textile strap with embroidered\/decorative Western motifs; leather is not visible.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Detachable narrow black textile shoulder strap with decorative embroidery and metal swivel clips.",
        "stitching_description": "photo 1: Perimeter stitching is visible on the textile strap, but fine stitch quality cannot be evaluated in detail."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0026,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.03,
                "coach_probability": 0.01,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: The listing appears to show a detachable shoulder strap\/accessory rather than a complete handbag.",
                    "photo 1: No COACH wordmark, horse-and-carriage mark, creed patch, or recognizable Coach construction is visible."
                ],
                "negative_evidence": [
                    "photo 1: Strap is black textile with colorful Western-themed embroidery and rhinestone-like decorations, not visibly Coach glove-tanned leather.",
                    "photo 1: Visible clips and strap construction do not provide a recognizable vintage Coach identifier.",
                    "photo 1: The seller's title and description identify an unbranded Western purse shoulder strap; this is weak text evidence but consistent with the visible accessory."
                ],
                "missing_information": [
                    "photo 1: No complete handbag is shown, so the strap's intended bag and compatibility cannot be assessed.",
                    "A close-up of both hardware clips and any reverse-side labels or markings would be needed to identify the accessory's maker."
                ],
                "authenticity_concerns": [
                    "photo 1: No evidence of Coach manufacture is visible; the decorative textile Western design is inconsistent with the usual vintage Coach leather handbag population."
                ],
                "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: Small gold-tone swivel clips and attachment hardware are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1: Black textile strap with embroidered\/decorative Western motifs; leather is not visible.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Detachable narrow black textile shoulder strap with decorative embroidery and metal swivel clips.",
                    "stitching_description": "photo 1: Perimeter stitching is visible on the textile strap, but fine stitch quality cannot be evaluated in detail."
                },
                "possible_model_reasoning": [
                    "photo 1: This is an accessory strap, not a Coach handbag, so no Coach model match is appropriate.",
                    "Condition: Not gradable as a handbag; the strap appears intact in the provided photo, but hardware function, odors, and concealed wear are unknown."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 20
            }
        },
        {
            "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": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.03,
                "missing_information": [
                    "No handbag present to assess; no creed, lining, or leather body to examine",
                    "No Coach identifiers visible to verify"
                ],
                "negative_evidence": [
                    "photo 1: object is a detachable shoulder strap only, not a handbag body",
                    "photo 1: beaded fabric strap with western motifs (boots, cactus, horseshoe) - not Coach glove-tanned leather construction",
                    "photo 1: no creed patch, no COACH wordmark, no turnlock, no hangtag visible",
                    "photo 1: gold-tone lobster clips, beaded textile - inconsistent with vintage Coach materials"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone lobster\/dogleash style clips at both ends, visible in photo 1",
                    "leather_description": "not_visible - appears to be black fabric\/textile strap with beaded\/sequined western embroidery, not leather handbag",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "detachable replacement purse strap with beaded western motifs and metal clips, full length shown in photo 1",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a handbag; object is an accessory strap so no Coach handbag model match possible",
                    "No creed, wordmark, glove-tanned leather, solid brass vintage hardware, or catalog silhouette to support Coach manufacture"
                ],
                "possible_models": [],
                "recommended_max_bid": 5,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "output_tokens": 616,
            "total_tokens": 16259,
            "estimated_cost_usd": 0.007736
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 15973,
            "output_tokens": 956,
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            "estimated_cost_usd": 0.003959
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}