Vintage Coach Hunter

{
    "is_handbag_probability": 0.02,
    "coach_probability": 0.015,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.825,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.925,
    "recommended_max_bid": 4.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 16,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: item is a standalone adjustable replacement strap rather than a handbag.",
        "photo 1: rainbow woven nylon webbing and white faux-leather connectors are visible.",
        "photo 1: no Coach wordmark, horse-and-carriage, creed patch, or leather hangtag is visible.",
        "photo 2: rectangular gold-tone adjustment hardware and photo 3: two lobster-claw clasps are inconsistent with a vintage Coach handbag identification.",
        "photo 1: object is a rainbow woven strap, not a handbag",
        "photo 1-4: woven nylon strap material - Coach vintage is glove-tanned leather",
        "photo 1,3: white faux leather connectors - seller states Faux Leather",
        "photo 2-3: gold-tone plated buckle and lobster claw clasps, modern replacement-strap hardware, not vintage solid brass Coach hardware",
        "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 1: no parent handbag is included or shown.",
        "photo 1: no manufacturer label, packaging, or material tag is visible.",
        "No handbag is shown - listing is for a replacement strap only",
        "No creed patch, Coach wordmark, hangtag or leather handbag to assess"
    ],
    "authenticity_concerns": [
        "photo 1: the nylon, faux-leather, and metal construction is a generic modern replacement-strap design, not evidence of Coach manufacture.",
        "photo 2: hardware appears plated and modern rather than the solid brass hardware typical of many vintage Coach handbags.",
        "photo 1-4: object is a replacement strap only, not a handbag - no Coach bag construction to authenticate",
        "photo 1-4: woven nylon strap and faux leather connectors are inconsistent with vintage Coach glove-tanned leather and solid brass"
    ],
    "possible_model_reasoning": [
        "photo 1: this is an accessory strap, so no Coach handbag model can be reasonably matched.",
        "photo 1: rainbow nylon and faux-leather construction indicate a modern generic replacement accessory; exact manufacturing date cannot be determined.",
        "Condition: Excellent to Very Good based on clean-looking webbing and hardware in the photos; clasp function, hidden wear, and odor are unknown.",
        "Not a handbag so no Coach model match possible; rainbow nylon guitar-strap style replacement strap is a modern generic accessory",
        "Materials (nylon, faux leather, plated hardware) and form rule out 1970s-1990s Coach classics per triage rule",
        "Condition: Like New \/ Excellent as a strap; photos show clean webbing and hardware (photo 1-4)"
    ],
    "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: gold-tone metal lobster clasps; photo 2: rectangular adjustment buckle; photo 3: paired clasp hardware.",
        "leather_description": "photo 1: white faux-leather connector tabs; no genuine leather handbag body is shown.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: multicolor rainbow woven nylon replacement strap with stitched white faux-leather connector tabs; seller states 37 inches and adjustable.",
        "stitching_description": "photo 3: visible perimeter stitching on the white connector tab; no handbag stitching is shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0009,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.02,
                "coach_probability": 0.01,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.9,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: item is a standalone adjustable replacement strap rather than a handbag.",
                    "photo 1: rainbow woven nylon webbing and white faux-leather connectors are visible.",
                    "photo 1: no Coach wordmark, horse-and-carriage, creed patch, or leather hangtag is visible.",
                    "photo 2: rectangular gold-tone adjustment hardware and photo 3: two lobster-claw clasps are inconsistent with a vintage Coach handbag identification."
                ],
                "missing_information": [
                    "photo 1: no parent handbag is included or shown.",
                    "photo 1: no manufacturer label, packaging, or material tag is visible."
                ],
                "authenticity_concerns": [
                    "photo 1: the nylon, faux-leather, and metal construction is a generic modern replacement-strap design, not evidence of Coach manufacture.",
                    "photo 2: hardware appears plated and modern rather than the solid brass hardware typical of many vintage Coach handbags."
                ],
                "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: gold-tone metal lobster clasps; photo 2: rectangular adjustment buckle; photo 3: paired clasp hardware.",
                    "leather_description": "photo 1: white faux-leather connector tabs; no genuine leather handbag body is shown.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: multicolor rainbow woven nylon replacement strap with stitched white faux-leather connector tabs; seller states 37 inches and adjustable.",
                    "stitching_description": "photo 3: visible perimeter stitching on the white connector tab; no handbag stitching is shown."
                },
                "possible_model_reasoning": [
                    "photo 1: this is an accessory strap, so no Coach handbag model can be reasonably matched.",
                    "photo 1: rainbow nylon and faux-leather construction indicate a modern generic replacement accessory; exact manufacturing date cannot be determined.",
                    "Condition: Excellent to Very Good based on clean-looking webbing and hardware in the photos; clasp function, hidden wear, and odor are unknown."
                ],
                "confidence": 0.95,
                "recommended_max_bid": 4,
                "estimated_resale_low": 5,
                "estimated_resale_high": 20
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-4: object is a replacement strap only, not a handbag - no Coach bag construction to authenticate",
                    "photo 1-4: woven nylon strap and faux leather connectors are inconsistent with vintage Coach glove-tanned leather and solid brass"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 12,
                "estimated_resale_low": 5,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.02,
                "missing_information": [
                    "No handbag is shown - listing is for a replacement strap only",
                    "No creed patch, Coach wordmark, hangtag or leather handbag to assess"
                ],
                "negative_evidence": [
                    "photo 1: object is a rainbow woven strap, not a handbag",
                    "photo 1-4: woven nylon strap material - Coach vintage is glove-tanned leather",
                    "photo 1,3: white faux leather connectors - seller states Faux Leather",
                    "photo 2-3: gold-tone plated buckle and lobster claw clasps, modern replacement-strap hardware, not vintage solid brass Coach hardware",
                    "photo 1-4: no creed patch, 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": "gold-tone plated rectangular slide buckle and dual lobster claw clasps, modern lightweight plated hardware",
                    "leather_description": "no genuine leather visible; woven nylon rainbow strap with white faux-leather end tabs",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "white perimeter stitching on faux-leather tabs visible in photo 3",
                    "strap_construction": "wide woven nylon rainbow striped strap, adjustable via slide buckle, faux-leather tabs with lobster clasps at ends",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a handbag so no Coach model match possible; rainbow nylon guitar-strap style replacement strap is a modern generic accessory",
                    "Materials (nylon, faux leather, plated hardware) and form rule out 1970s-1990s Coach classics per triage rule",
                    "Condition: Like New \/ Excellent as a strap; photos show clean webbing and hardware (photo 1-4)"
                ],
                "possible_models": [],
                "recommended_max_bid": 5,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "output_tokens": 615,
            "total_tokens": 17546,
            "estimated_cost_usd": 0.008248
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}