Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.065,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.045,
    "confidence": 0.905,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 13.5,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a structured leather shoulder\/crossbody handbag with a zip-top closure.",
        "photo 1: front metal plaque appears to read B. MAKOWSKY, consistent with the seller's stated brand rather than Coach.",
        "photo 1-6: leather shoulder\/crossbody handbag of 10x7 in scale consistent with handbag category"
    ],
    "negative_evidence": [
        "photo 1: visible decorative metal plaque does not show COACH or a Coach horse-and-carriage.",
        "photos 1-6: no Coach creed patch, serial\/style number, or Coach hangtag is visible.",
        "photos 1, 2, 3, and 5: pebbled leather, silver-tone hardware, decorative studs, multiple exterior zippers, and a fabric-lined contemporary construction are unlike the classic vintage Coach construction described in the reference guide.",
        "photo 1: prominent B. Makowsky branding is direct evidence for another brand.",
        "photo 1: large metal brand plaque on front reads B.MAKOWSKY, not COACH",
        "photo 1,2,3,4: silver\/nickel-tone western stud hardware and zipper accents, not vintage Coach solid brass turnlock\/buckle",
        "photo 4: back exterior slip pocket with rivet detail, zip-top closure - does not match vintage Coach classic turnlock flap silhouettes",
        "photo 1-6: pebbled Y2K moto\/boho styling with decorative zip teeth and starburst studs - inconsistent with 1970s-1990s Coach glove-tanned classics",
        "no Coach creed patch, COACH wordmark, horse-and-carriage, hangtag, or brass turnlock visible in any photo"
    ],
    "missing_information": [
        "photo 6: interior is only partially visible; request a fully opened interior and any sewn-in brand or care label.",
        "request a close-up of the front plaque to confirm the complete B. Makowsky wording.",
        "request close-ups of the zipper pulls, interior lining, bottom corners, and strap attachment points if assessing condition or resale value.",
        "interior lining and any interior labels\/tags not shown (photos show exterior\/sides\/bottom\/top only)",
        "creed patch not shown - no Coach creed expected given branding",
        "close-up of hardware engravings\/zipper brand not shown"
    ],
    "authenticity_concerns": [],
    "possible_model_reasoning": [
        "The silhouette and construction do not match a recognizable vintage Coach model; no Coach model is proposed.",
        "The visible plaque in photo 1 appears to identify B. Makowsky, consistent with a 2000s-era fashion leather bag and the seller's description.",
        "Condition: Very Good to Good; light scratches\/spots and minor hardware wear are described by the seller, with visible light wear at the bottom and strap ends in photos 1-6. Interior condition and odor are unknown.",
        "No Coach model fits: prominent B.MAKOWSKY plaque identifies maker as B. Makowsky, hardware finish, zip-top and studded western\/Y2K styling inconsistent with any Coach catalog style",
        "Condition: Very Good per seller description of light spots\/scratches and light strap-end wear; photos show light spot on bottom (photo 5) and generally intact leather and strap, but interior not shown so lining\/odor unknown"
    ],
    "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: silver-tone decorative plaque and small floral\/star-like studs; photos 1, 2, 3, 5, and 6: silver-tone zipper and strap hardware. No Coach-engraved hardware is visible.",
        "leather_description": "photos 1-5: brown-red\/maroon pebbled leather with visible light wear and small surface marks.",
        "lining_description": "photo 6: dark lining is visible at the zip opening, but its material and labels are not readable.",
        "strap_construction": "photos 1-3: long adjustable leather crossbody strap attached through side rings; light wear is visible at strap ends.",
        "stitching_description": "photos 1-5: generally even dark contrast stitching with multiple applied leather strips and reinforced bottom\/side construction."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.001,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.08,
                "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 structured leather shoulder\/crossbody handbag with a zip-top closure.",
                    "photo 1: front metal plaque appears to read B. MAKOWSKY, consistent with the seller's stated brand rather than Coach."
                ],
                "negative_evidence": [
                    "photo 1: visible decorative metal plaque does not show COACH or a Coach horse-and-carriage.",
                    "photos 1-6: no Coach creed patch, serial\/style number, or Coach hangtag is visible.",
                    "photos 1, 2, 3, and 5: pebbled leather, silver-tone hardware, decorative studs, multiple exterior zippers, and a fabric-lined contemporary construction are unlike the classic vintage Coach construction described in the reference guide.",
                    "photo 1: prominent B. Makowsky branding is direct evidence for another brand."
                ],
                "missing_information": [
                    "photo 6: interior is only partially visible; request a fully opened interior and any sewn-in brand or care label.",
                    "request a close-up of the front plaque to confirm the complete B. Makowsky wording.",
                    "request close-ups of the zipper pulls, interior lining, bottom corners, and strap attachment points if assessing condition or resale value."
                ],
                "authenticity_concerns": [],
                "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: silver-tone decorative plaque and small floral\/star-like studs; photos 1, 2, 3, 5, and 6: silver-tone zipper and strap hardware. No Coach-engraved hardware is visible.",
                    "leather_description": "photos 1-5: brown-red\/maroon pebbled leather with visible light wear and small surface marks.",
                    "lining_description": "photo 6: dark lining is visible at the zip opening, but its material and labels are not readable.",
                    "strap_construction": "photos 1-3: long adjustable leather crossbody strap attached through side rings; light wear is visible at strap ends.",
                    "stitching_description": "photos 1-5: generally even dark contrast stitching with multiple applied leather strips and reinforced bottom\/side construction."
                },
                "possible_model_reasoning": [
                    "The silhouette and construction do not match a recognizable vintage Coach model; no Coach model is proposed.",
                    "The visible plaque in photo 1 appears to identify B. Makowsky, consistent with a 2000s-era fashion leather bag and the seller's description.",
                    "Condition: Very Good to Good; light scratches\/spots and minor hardware wear are described by the seller, with visible light wear at the bottom and strap ends in photos 1-6. Interior condition and odor are unknown."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "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": 30,
                "estimated_resale_low": 12,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior lining and any interior labels\/tags not shown (photos show exterior\/sides\/bottom\/top only)",
                    "creed patch not shown - no Coach creed expected given branding",
                    "close-up of hardware engravings\/zipper brand not shown"
                ],
                "negative_evidence": [
                    "photo 1: large metal brand plaque on front reads B.MAKOWSKY, not COACH",
                    "photo 1,2,3,4: silver\/nickel-tone western stud hardware and zipper accents, not vintage Coach solid brass turnlock\/buckle",
                    "photo 4: back exterior slip pocket with rivet detail, zip-top closure - does not match vintage Coach classic turnlock flap silhouettes",
                    "photo 1-6: pebbled Y2K moto\/boho styling with decorative zip teeth and starburst studs - inconsistent with 1970s-1990s Coach glove-tanned classics",
                    "no Coach creed patch, COACH wordmark, horse-and-carriage, hangtag, or brass turnlock visible in any photo"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone hardware: starburst studs at strap anchors, front decorative zipper teeth, top zip closure, D-rings\/clips for strap; no brass turnlock",
                    "leather_description": "brown reddish-maroon pebbled leather with soft slouch, visible grain",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "dark even stitching along vertical panels and top edge, visible in photos 1,4",
                    "strap_construction": "thin flat leather long crossbody\/shoulder strap attached with metal rings\/clips, approx 24 in drop per seller",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-6: leather shoulder\/crossbody handbag of 10x7 in scale consistent with handbag category"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: prominent B.MAKOWSKY plaque identifies maker as B. Makowsky, hardware finish, zip-top and studded western\/Y2K styling inconsistent with any Coach catalog style",
                    "Condition: Very Good per seller description of light spots\/scratches and light strap-end wear; photos show light spot on bottom (photo 5) and generally intact leather and strap, but interior not shown so lining\/odor unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18243,
            "output_tokens": 872,
            "total_tokens": 19115,
            "estimated_cost_usd": 0.00939
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18795,
            "output_tokens": 1141,
            "total_tokens": 19936,
            "estimated_cost_usd": 0.004672
        }
    ]
}