Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.83,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.91,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 15,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather crossbody handbag with multiple exterior pockets and a detachable adjustable strap.",
        "photo 1: brown leather, metal zippers, rivets, and swivel strap clips are visible."
    ],
    "negative_evidence": [
        "photo 1: the front is visibly marked Stone, not COACH, and no Coach wordmark or horse-and-carriage is visible.",
        "photo 1: the construction is a modern multi-pocket zip crossbody rather than a recognizable classic Coach silhouette with a turnlock.",
        "photo 2: product imagery shows the same Stone branding; no Coach identifier is visible.",
        "photo 5: the open interior appears fabric-lined, which does not support a classic vintage unlined glove-tanned Coach model.",
        "photo 6: the rear construction and hardware appear contemporary and generic rather than a documented vintage Coach design.",
        "photo 1: 'Sione' script logo debossed on front pocket - non-Coach maker mark",
        "photo 1,4,5: zip-top crossbody with front zip pocket + front magnetic slip pocket + back zip pocket - silhouette matches no vintage Coach catalog style",
        "photo 4 bottom-right: dark brown fabric lining visible - inconsistent with unlined vintage Coach classics",
        "photo 1,5: no turnlock, no Coach hangtag, no Coach wordmark or horse-and-carriage visible",
        "photo 5 close-ups: modern lobster-claw strap clips, modern adjustable slider buckle and leather zipper pulls - not vintage Coach solid-brass hardware"
    ],
    "missing_information": [
        "photo 1-6: no straight-on close-up of any interior brand label or manufacturing tag.",
        "photo 1-6: no readable leather or care label, country-of-origin marking, or style number.",
        "photo 1-6: no independent worn-condition photos; the images appear to be manufacturer\/product photographs rather than seller-taken photos.",
        "No Coach creed patch shown - no further Coach verification needed given visible Sione branding",
        "photo 4 interior top view only: full lining material and any interior brand tag not shown in detail"
    ],
    "authenticity_concerns": [
        "photo 1: the visible Stone branding identifies a different brand; there is no basis to treat this as Coach.",
        "photo 1: generic modern multi-pocket styling and contemporary hardware are inconsistent with the documented classic vintage Coach models considered here.",
        "photo 1: 'Sione' brand debossed on front pocket identifies maker as Sione, not Coach"
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the bag has a modern rectangular multi-pocket design, front zipper and slip pockets, and visible Stone branding.",
        "photo 5: the fabric-lined multi-compartment interior and modern organizational layout further support a contemporary non-Coach bag.",
        "Condition cannot be reliably graded because the listing uses product\/lifestyle imagery; visible leather appears intact, but actual wear, odor, corners, and strap condition are unknown.",
        "No Coach model fits: Sione branding, zip-top multi-pocket crossbody layout, fabric lining and modern hardware are inconsistent with any vintage Coach classic",
        "Condition: New-appearing product\/catalog photos; no wear visible 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: gold-tone swivel clips, rings, zipper hardware, rivets, and a rectangular strap adjuster are visible; no Coach engraving is visible.",
        "leather_description": "photo 1: smooth medium-brown leather with visible surface variation and lightly distressed shading; exact leather type cannot be established from product photos.",
        "lining_description": "photo 5: dark fabric-lined interior is visible, with multiple compartments; lining composition is not identifiable.",
        "strap_construction": "photo 1: detachable adjustable leather shoulder strap attached with swivel clips.",
        "stitching_description": "photo 1: generally straight, machine-sewn contrast-to-matching brown stitching is visible around the pockets, body, and strap."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0002,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather crossbody handbag with multiple exterior pockets and a detachable adjustable strap.",
                    "photo 1: brown leather, metal zippers, rivets, and swivel strap clips are visible."
                ],
                "negative_evidence": [
                    "photo 1: the front is visibly marked Stone, not COACH, and no Coach wordmark or horse-and-carriage is visible.",
                    "photo 1: the construction is a modern multi-pocket zip crossbody rather than a recognizable classic Coach silhouette with a turnlock.",
                    "photo 2: product imagery shows the same Stone branding; no Coach identifier is visible.",
                    "photo 5: the open interior appears fabric-lined, which does not support a classic vintage unlined glove-tanned Coach model.",
                    "photo 6: the rear construction and hardware appear contemporary and generic rather than a documented vintage Coach design."
                ],
                "missing_information": [
                    "photo 1-6: no straight-on close-up of any interior brand label or manufacturing tag.",
                    "photo 1-6: no readable leather or care label, country-of-origin marking, or style number.",
                    "photo 1-6: no independent worn-condition photos; the images appear to be manufacturer\/product photographs rather than seller-taken photos."
                ],
                "authenticity_concerns": [
                    "photo 1: the visible Stone branding identifies a different brand; there is no basis to treat this as Coach.",
                    "photo 1: generic modern multi-pocket styling and contemporary hardware are inconsistent with the documented classic vintage Coach models considered here."
                ],
                "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 swivel clips, rings, zipper hardware, rivets, and a rectangular strap adjuster are visible; no Coach engraving is visible.",
                    "leather_description": "photo 1: smooth medium-brown leather with visible surface variation and lightly distressed shading; exact leather type cannot be established from product photos.",
                    "lining_description": "photo 5: dark fabric-lined interior is visible, with multiple compartments; lining composition is not identifiable.",
                    "strap_construction": "photo 1: detachable adjustable leather shoulder strap attached with swivel clips.",
                    "stitching_description": "photo 1: generally straight, machine-sewn contrast-to-matching brown stitching is visible around the pockets, body, and strap."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the bag has a modern rectangular multi-pocket design, front zipper and slip pockets, and visible Stone branding.",
                    "photo 5: the fabric-lined multi-compartment interior and modern organizational layout further support a contemporary non-Coach bag.",
                    "Condition cannot be reliably graded because the listing uses product\/lifestyle imagery; visible leather appears intact, but actual wear, odor, corners, and strap condition are unknown."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 12,
                "estimated_resale_low": 15,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1: 'Sione' brand debossed on front pocket identifies maker as Sione, not Coach"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.01,
                "confidence": 0.92,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.8,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach creed patch shown - no further Coach verification needed given visible Sione branding",
                    "photo 4 interior top view only: full lining material and any interior brand tag not shown in detail"
                ],
                "negative_evidence": [
                    "photo 1: 'Sione' script logo debossed on front pocket - non-Coach maker mark",
                    "photo 1,4,5: zip-top crossbody with front zip pocket + front magnetic slip pocket + back zip pocket - silhouette matches no vintage Coach catalog style",
                    "photo 4 bottom-right: dark brown fabric lining visible - inconsistent with unlined vintage Coach classics",
                    "photo 1,5: no turnlock, no Coach hangtag, no Coach wordmark or horse-and-carriage visible",
                    "photo 5 close-ups: modern lobster-claw strap clips, modern adjustable slider buckle and leather zipper pulls - not vintage Coach solid-brass hardware"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "antique brass-tone zippers, lobster-claw detachable strap clips, base rivets\/feet and adjustable slider buckle; modern cast hardware",
                    "leather_description": "tan\/brown distressed smooth leather with mottled finish",
                    "lining_description": "dark brown fabric lining visible in photo 4 top-down interior view",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even contrast tan stitching around pockets and edges",
                    "strap_construction": "detachable adjustable crossbody shoulder strap on lobster clips with buckle adjustment",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: Sione branding, zip-top multi-pocket crossbody layout, fabric lining and modern hardware are inconsistent with any vintage Coach classic",
                    "Condition: New-appearing product\/catalog photos; no wear visible in photos 1-6"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 30997,
            "output_tokens": 825,
            "total_tokens": 31822,
            "estimated_cost_usd": 0.014379
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 32879,
            "output_tokens": 1414,
            "total_tokens": 34293,
            "estimated_cost_usd": 0.007707
        }
    ]
}