Vintage Coach Hunter

{
    "is_handbag_probability": 0.02,
    "coach_probability": 0.025,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.79,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.895,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 20,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Listing shows a group of replacement purse straps with lobster-claw clips, not a Coach handbag.",
        "photo 2: A ruler is shown for scale, and the straps appear newly bundled or unused."
    ],
    "negative_evidence": [
        "photo 1: No Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or Coach hangtag is visible.",
        "photo 1: Several straps have pebbled or glossy finishes and mixed silver\/gold-tone hardware, more consistent with generic replacement accessories than a single vintage Coach product.",
        "photo 3: Hardware and construction appear modern and varied across the lot; no vintage Coach-specific handbag construction is present.",
        "photo 4: The visible straps have contemporary stitched and edge-finished construction rather than identifiable vintage Coach bag components.",
        "photo 1, photo 2: object is a lot of 5 detachable replacement shoulder straps, not a handbag",
        "photo 1-6: no creed patch, no handbag interior, no turnlock, no hangtag, no COACH wordmark visible",
        "photo 1, photo 3, photo 5: modern thin lobster-claw \/ swivel snap clips in mixed silver-tone and gold-tone, not vintage solid-brass Coach dogleash clips",
        "photo 1, photo 5: pink and white straps show uniform pebbled grain and painted\/finished edges consistent with modern mass-produced replacement straps"
    ],
    "missing_information": [
        "photo 1: No individual strap reverse-side or hardware-brand close-ups showing any maker marks.",
        "photo 1: Exact strap lengths, widths, materials, and attachment compatibility are not fully documented.",
        "photo 1: Packaging, labels, or source information for the replacement straps is not shown.",
        "no handbag present in any photo - lot is straps only, so no creed, lining, body or closure to assess",
        "no COACH wordmark, creed patch, hangtag or branded hardware visible on any strap",
        "brand stamps on strap hardware\/clips not shown legibly"
    ],
    "authenticity_concerns": [
        "photo 1: This is an accessory lot rather than a Coach handbag, so Coach handbag authentication and model identification are not applicable.",
        "photo 1: No Coach identifiers are visible; the straps should not be represented as Coach replacement parts based on these photos."
    ],
    "possible_model_reasoning": [
        "photo 1: The item is a lot of five purse straps, not a handbag, so no Coach model is applicable.",
        "photo 2: The ruler confirms accessory-scale items, but the exact usable lengths are not established for each strap.",
        "photo 1: Condition appears New Old Stock or unused as seller states, with no obvious major damage visible; this is a rough accessory condition assessment only.",
        "No Coach model can be named because no handbag is present; straps alone with no identifiers do not match any catalog style. Condition: New Other Stock (NOS) per seller title; photos show unused appearance but material\/brand cannot be verified."
    ],
    "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: Multiple lobster-claw clips, rings, and adjustment hardware in mixed silver-tone and gold-tone finishes; no Coach engraving is legible.",
        "leather_description": "photo 1: Straps appear to have smooth, glossy, or pebbled leather-like surfaces, but material cannot be confirmed from photos.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Multiple narrow and medium-width replacement shoulder\/crossbody straps with stitched edges, adjustment sections, and detachable clips; several are bundled with elastic bands.",
        "stitching_description": "photo 1: Visible machine stitching is generally straight and contrasting on some straps; detailed seam quality varies by strap."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0015,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.02,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Listing shows a group of replacement purse straps with lobster-claw clips, not a Coach handbag.",
                    "photo 2: A ruler is shown for scale, and the straps appear newly bundled or unused."
                ],
                "negative_evidence": [
                    "photo 1: No Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or Coach hangtag is visible.",
                    "photo 1: Several straps have pebbled or glossy finishes and mixed silver\/gold-tone hardware, more consistent with generic replacement accessories than a single vintage Coach product.",
                    "photo 3: Hardware and construction appear modern and varied across the lot; no vintage Coach-specific handbag construction is present.",
                    "photo 4: The visible straps have contemporary stitched and edge-finished construction rather than identifiable vintage Coach bag components."
                ],
                "missing_information": [
                    "photo 1: No individual strap reverse-side or hardware-brand close-ups showing any maker marks.",
                    "photo 1: Exact strap lengths, widths, materials, and attachment compatibility are not fully documented.",
                    "photo 1: Packaging, labels, or source information for the replacement straps is not shown."
                ],
                "authenticity_concerns": [
                    "photo 1: This is an accessory lot rather than a Coach handbag, so Coach handbag authentication and model identification are not applicable.",
                    "photo 1: No Coach identifiers are visible; the straps should not be represented as Coach replacement parts based on these photos."
                ],
                "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: Multiple lobster-claw clips, rings, and adjustment hardware in mixed silver-tone and gold-tone finishes; no Coach engraving is legible.",
                    "leather_description": "photo 1: Straps appear to have smooth, glossy, or pebbled leather-like surfaces, but material cannot be confirmed from photos.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Multiple narrow and medium-width replacement shoulder\/crossbody straps with stitched edges, adjustment sections, and detachable clips; several are bundled with elastic bands.",
                    "stitching_description": "photo 1: Visible machine stitching is generally straight and contrasting on some straps; detailed seam quality varies by strap."
                },
                "possible_model_reasoning": [
                    "photo 1: The item is a lot of five purse straps, not a handbag, so no Coach model is applicable.",
                    "photo 2: The ruler confirms accessory-scale items, but the exact usable lengths are not established for each strap.",
                    "photo 1: Condition appears New Old Stock or unused as seller states, with no obvious major damage visible; this is a rough accessory condition assessment only."
                ],
                "confidence": 0.94,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.02,
                "missing_information": [
                    "no handbag present in any photo - lot is straps only, so no creed, lining, body or closure to assess",
                    "no COACH wordmark, creed patch, hangtag or branded hardware visible on any strap",
                    "brand stamps on strap hardware\/clips not shown legibly"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: object is a lot of 5 detachable replacement shoulder straps, not a handbag",
                    "photo 1-6: no creed patch, no handbag interior, no turnlock, no hangtag, no COACH wordmark visible",
                    "photo 1, photo 3, photo 5: modern thin lobster-claw \/ swivel snap clips in mixed silver-tone and gold-tone, not vintage solid-brass Coach dogleash clips",
                    "photo 1, photo 5: pink and white straps show uniform pebbled grain and painted\/finished edges consistent with modern mass-produced replacement straps"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "mixed silver-tone and gold-tone swivel lobster-claw clips and D-rings; modern plated appearance; no COACH engraving legible",
                    "leather_description": "thin finished leather \/ leather-like material in pink, white with black edge, black, and brown; pebbled grain on pink\/white; brown strap with contrast stitching; no glove-tanned patina visible",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrast edge stitching visible on black and brown straps (photo 3, photo 4); even machine stitching, no vintage Coach assessment possible",
                    "strap_construction": "five detachable adjustable crossbody straps with clip ends, bundled with rubber bands; lengths ~40in+ per ruler in photo 2",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model can be named because no handbag is present; straps alone with no identifiers do not match any catalog style. Condition: New Other Stock (NOS) per seller title; photos show unused appearance but material\/brand cannot be verified."
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 32574,
            "output_tokens": 745,
            "total_tokens": 33319,
            "estimated_cost_usd": 0.014818
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 34796,
            "output_tokens": 1106,
            "total_tokens": 35902,
            "estimated_cost_usd": 0.007844
        }
    ]
}