Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.125,
    "vintage_probability": 0.435,
    "authenticity_confidence": 0.105,
    "image_quality_score": 0.69,
    "seller_misidentification_probability": 0.125,
    "confidence": 0.695,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Leather-looking structured handbag with brass-tone hardware and a detachable long strap.",
        "photo 2: Heavy leather construction, small top handle, and a turning-tab closure are broadly compatible with some vintage handbag construction.",
        "photo 6: Stitching appears generally even and the bag has a substantial boxed silhouette.",
        "photo 1-6: leather handbag with brass-tone hardware and crossbody strap - general population where vintage Coach hides",
        "photo 1,6: detachable strap on snap-hook clips similar in function to Coach dogleash clips"
    ],
    "negative_evidence": [
        "photo 1: The central closure is a large circular\/oval clasp rather than a recognizable vintage Coach turnlock geometry.",
        "photo 2: Hardware and attachment arrangement do not closely match the catalogued Coach classic silhouettes visible from the listing photos.",
        "photo 4: No visible Coach wordmark, horse-and-carriage emblem, or hangtag.",
        "photo 6: No Coach-specific identifier is visible on the exterior.",
        "Listing text: Seller labels the bag Unbranded; this is weak contextual evidence only, not a brand identification.",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch or hangtag visible",
        "photo 1-2: rigid box\/trunk silhouette with top-hinged lid and round turnlock - no match in Coach classic catalog \u00a74",
        "photo 1-2: round circular turnlock with central bar, not Coach thin oval-to-rectangle turnlock geometry with plain keeper",
        "photo 1,5,6: mottled \/ tie-dye tan-brown finish with dark blotches and painted black edges, not vintage Coach glove-tanned cowhide finish",
        "photo 4: four dome base studs\/feet on rigid case bottom, not seen on Coach classics"
    ],
    "missing_information": [
        "Straight-on interior photo with the bag emptied.",
        "Close-up of every interior wall and pocket for a creed patch or fabric tag.",
        "Close-up of the closure, zipper pulls, and all hardware markings.",
        "Bottom, corners, and strap attachment details.",
        "Measurements and photographs of any hidden stamps or labels.",
        "interior views including creed patch \/ lining not shown (photos 1-6 show exterior only)",
        "close-up of turnlock front\/back plate and any hardware stamps not shown",
        "hangtag \/ wordmark \/ made-in stamp not shown - request both faces",
        "bottom \/ corners close-up and strap buckle-hole wear",
        "seller-stated dimensions and weight for scale"
    ],
    "authenticity_concerns": [
        "The visible circular clasp and boxed silhouette are not a strong match for the standard vintage Coach models in the reference catalog.",
        "No Coach identifier is visible, so a generic leather lookalike cannot be excluded.",
        "The extensive dark discoloration and possible finish wear make construction details harder to evaluate reliably."
    ],
    "possible_model_reasoning": [
        "The rectangular hard-cased body, circular clasp, and top-handle\/crossbody configuration do not provide a reliable match to a named Coach catalog style.",
        "The absence of an exterior Coach identifier and the lack of interior photos prevent creed, serial, country, lining, and zipper-based dating.",
        "Condition: Fair\/rehab; extensive dark discoloration or finish wear is visible across the front, back, top, and side panels (photos 1, 4, 5, 6), while strap cracking and interior condition cannot be assessed.",
        "No Coach model fits: rigid hard-case box with top handle + crossbody, round turnlock, base studs and mottled finish matches no catalog style in \u00a74.1-4.3",
        "Era reasoning: construction with painted edges, antiqued plated hardware and fashion box shape points to modern (2000s+) non-Coach, not NYC\/US glove-tanned era",
        "Condition: Good; exterior shows intentional mottled finish plus darkening\/wear on handle (photo 6), shape intact, interior\/strap fold\/odor unknown due to no interior views"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": true,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1: Brass-tone circular\/oval turning clasp, rectangular hardware plates, rings, and lobster-style strap clips; no visible engraving. Some hardware appears aged or darkened.",
        "leather_description": "photos 1, 2, 6: Brown\/tan leather-looking material with a firm, hard-cased structured body and prominent dark gray-brown discoloration or finish wear across the panels.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1, 3, 4, 5: Detachable long shoulder\/crossbody strap with adjustable buckle section and metal clips; short top handle also attaches with metal hardware.",
        "stitching_description": "photos 1, 2, 6: Perimeter stitching is generally straight and evenly spaced, with dark edge finishing visible."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0161,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.22,
                "vintage_probability": 0.72,
                "authenticity_confidence": 0.18,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.22,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Leather-looking structured handbag with brass-tone hardware and a detachable long strap.",
                    "photo 2: Heavy leather construction, small top handle, and a turning-tab closure are broadly compatible with some vintage handbag construction.",
                    "photo 6: Stitching appears generally even and the bag has a substantial boxed silhouette."
                ],
                "negative_evidence": [
                    "photo 1: The central closure is a large circular\/oval clasp rather than a recognizable vintage Coach turnlock geometry.",
                    "photo 2: Hardware and attachment arrangement do not closely match the catalogued Coach classic silhouettes visible from the listing photos.",
                    "photo 4: No visible Coach wordmark, horse-and-carriage emblem, or hangtag.",
                    "photo 6: No Coach-specific identifier is visible on the exterior.",
                    "Listing text: Seller labels the bag Unbranded; this is weak contextual evidence only, not a brand identification."
                ],
                "missing_information": [
                    "Straight-on interior photo with the bag emptied.",
                    "Close-up of every interior wall and pocket for a creed patch or fabric tag.",
                    "Close-up of the closure, zipper pulls, and all hardware markings.",
                    "Bottom, corners, and strap attachment details.",
                    "Measurements and photographs of any hidden stamps or labels."
                ],
                "authenticity_concerns": [
                    "The visible circular clasp and boxed silhouette are not a strong match for the standard vintage Coach models in the reference catalog.",
                    "No Coach identifier is visible, so a generic leather lookalike cannot be excluded.",
                    "The extensive dark discoloration and possible finish wear make construction details harder to evaluate reliably."
                ],
                "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": true,
                    "hangtag_present": false,
                    "hardware_description": "photo 1: Brass-tone circular\/oval turning clasp, rectangular hardware plates, rings, and lobster-style strap clips; no visible engraving. Some hardware appears aged or darkened.",
                    "leather_description": "photos 1, 2, 6: Brown\/tan leather-looking material with a firm, hard-cased structured body and prominent dark gray-brown discoloration or finish wear across the panels.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1, 3, 4, 5: Detachable long shoulder\/crossbody strap with adjustable buckle section and metal clips; short top handle also attaches with metal hardware.",
                    "stitching_description": "photos 1, 2, 6: Perimeter stitching is generally straight and evenly spaced, with dark edge finishing visible."
                },
                "possible_model_reasoning": [
                    "The rectangular hard-cased body, circular clasp, and top-handle\/crossbody configuration do not provide a reliable match to a named Coach catalog style.",
                    "The absence of an exterior Coach identifier and the lack of interior photos prevent creed, serial, country, lining, and zipper-based dating.",
                    "Condition: Fair\/rehab; extensive dark discoloration or finish wear is visible across the front, back, top, and side panels (photos 1, 4, 5, 6), while strap cracking and interior condition cannot be assessed."
                ],
                "confidence": 0.69,
                "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": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "interior views including creed patch \/ lining not shown (photos 1-6 show exterior only)",
                    "close-up of turnlock front\/back plate and any hardware stamps not shown",
                    "hangtag \/ wordmark \/ made-in stamp not shown - request both faces",
                    "bottom \/ corners close-up and strap buckle-hole wear",
                    "seller-stated dimensions and weight for scale"
                ],
                "negative_evidence": [
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch or hangtag visible",
                    "photo 1-2: rigid box\/trunk silhouette with top-hinged lid and round turnlock - no match in Coach classic catalog \u00a74",
                    "photo 1-2: round circular turnlock with central bar, not Coach thin oval-to-rectangle turnlock geometry with plain keeper",
                    "photo 1,5,6: mottled \/ tie-dye tan-brown finish with dark blotches and painted black edges, not vintage Coach glove-tanned cowhide finish",
                    "photo 4: four dome base studs\/feet on rigid case bottom, not seen on Coach classics"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "antiqued brass-tone hardware: large round turnlock with vertical bar (photo 1,2,6), square hinge\/anchor plates at sides, swivel snap-hook dogleash-type clips for straps, four dome studs on base (photo 4)",
                    "leather_description": "pebbled leather in mottled tan \/ orange-brown with dark grey-brown cloudy blotches, semi-matte, black painted edges visible",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "light tan contrast stitching around lid and body edges, appears even in photos 1,5,6",
                    "strap_construction": "short top handle plus long detachable adjustable crossbody strap attached via swivel snap hooks to side plates (photo 1,3,4,6)",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 1-6: leather handbag with brass-tone hardware and crossbody strap - general population where vintage Coach hides",
                    "photo 1,6: detachable strap on snap-hook clips similar in function to Coach dogleash clips"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: rigid hard-case box with top handle + crossbody, round turnlock, base studs and mottled finish matches no catalog style in \u00a74.1-4.3",
                    "Era reasoning: construction with painted edges, antiqued plated hardware and fashion box shape points to modern (2000s+) non-Coach, not NYC\/US glove-tanned era",
                    "Condition: Good; exterior shows intentional mottled finish plus darkening\/wear on handle (photo 6), shape intact, interior\/strap fold\/odor unknown due to no interior views"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.15
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 33097,
            "output_tokens": 890,
            "total_tokens": 33987,
            "estimated_cost_usd": 0.015375
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 35568,
            "output_tokens": 1398,
            "total_tokens": 36966,
            "estimated_cost_usd": 0.008232
        }
    ]
}