Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.045,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.815,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.89,
    "recommended_max_bid": 9,
    "estimated_resale_low": 10,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a functional leather or leather-like crossbody handbag with a shoulder strap and multiple compartments",
        "photo 2: patchwork construction and visible grain-like surfaces may indicate leather components",
        "photo 1: is a leather-appearing flap crossbody handbag as listed"
    ],
    "negative_evidence": [
        "photo 2: multicolor patchwork design, black contrast edging, silver-tone hardware, and prominent decorative zigzag stitching do not match the typical construction of vintage Coach classics",
        "photo 3: rear patchwork and large exterior zipper pocket show a generic patchwork design without a Coach wordmark, carriage, or hangtag",
        "photo 4: interior is black fabric-lined and includes no visible Coach creed or fabric identification tag",
        "photo 5: visible interior pocket area does not show a readable creed, serial\/style number, or Coach label",
        "photo 6: zipper pulls and hardware are silver-tone and appear generic rather than consistent with a classic vintage Coach brass-hardware design",
        "photo 1-3: multicolor patchwork squares with black zigzag overlock stitching - not a Coach catalog silhouette or leather treatment",
        "photo 4-6: magnetic snap closure and silver-tone O-ring strap hardware - vintage Coach classics use solid brass turnlock, never silver magnetic snap on this form",
        "photo 5-6: fully fabric-lined interior with black synthetic lining and brown twill flap underside - vintage Coach classics are unlined suede-back glove-tanned",
        "photo 2-3: modern perforated unbranded zipper pulls - not Talon\/YKK brass Coach pulls",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible in any view"
    ],
    "missing_information": [
        "photo 1-7: no clear bottom, side, or hardware close-ups showing maker marks",
        "photo 4-6: no straight-on close-up of every interior wall, pocket seam, or label area",
        "photo 1-3: seller-stated dimensions and material confirmation would help distinguish genuine leather from coated or synthetic material",
        "No creed patch visible in any interior view - request straight-on interior back-wall photo to confirm absence",
        "No hardware brand stamps shown - request zipper-pull and snap close-ups",
        "No bottom \/ corner wear view"
    ],
    "authenticity_concerns": [
        "photo 2: the bag has a generic brand-evoking patchwork appearance but lacks the identifiers expected for a Coach product",
        "photo 4-6: the fabric-lined interior and generic silver-tone zipper construction are inconsistent with many classic unlined, brass-hardware vintage Coach silhouettes"
    ],
    "possible_model_reasoning": [
        "No Coach model is a plausible match: the patchwork crossbody silhouette is generic and does not present the defining closure, creed, or construction cues of the cataloged Coach classics.",
        "Era reasoning: no Coach identifier is visible; silver-tone hardware, textile lining, multiple decorative patchwork panels, and generic zipper construction suggest modern (2000s+) non-Coach manufacture.",
        "Condition: Good; visible creasing and wear at the strap and patchwork panels (photos 1-3), with interior condition only partly shown (photos 4-6).",
        "No Coach model fits: patchwork construction, magnetic-snap flap with exterior zip pocket, silver hardware, and fully lined interior are inconsistent with all vintage Coach classics (City Bag, Willis, Court, Station, Dinky, etc.) which use solid brass turnlocks and unlined glove-tanned leather",
        "Condition: Very Good; patchwork exterior looks intact with no major stains or corner blowouts visible (photo 2-3), strap appears intact, interior looks clean (photo 6); bottom corners and strap fold not shown so capped"
    ],
    "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 1-3: silver-tone rings, rivets, snap components, and generic zipper pulls are visible; no Coach engraving is legible",
        "leather_description": "photo 2 and photo 7: multiple colored pebbled-looking panels are visible, but the photos cannot establish whether all components are genuine leather; black edging appears finished or coated",
        "lining_description": "photo 4-6: black textile lining is visible in the main and exterior zip compartments; no Coach label is visible",
        "strap_construction": "photo 1 and photo 3: long adjustable narrow strap attached with rings and small snap\/riveted tabs; visible wear and creasing near attachment points",
        "stitching_description": "photo 2-3 and photo 7: dense contrasting zigzag\/blanket-style stitching outlines the patchwork panels; it is decorative and unlike standard vintage Coach tone-matched construction"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0006,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a functional leather or leather-like crossbody handbag with a shoulder strap and multiple compartments",
                    "photo 2: patchwork construction and visible grain-like surfaces may indicate leather components"
                ],
                "negative_evidence": [
                    "photo 2: multicolor patchwork design, black contrast edging, silver-tone hardware, and prominent decorative zigzag stitching do not match the typical construction of vintage Coach classics",
                    "photo 3: rear patchwork and large exterior zipper pocket show a generic patchwork design without a Coach wordmark, carriage, or hangtag",
                    "photo 4: interior is black fabric-lined and includes no visible Coach creed or fabric identification tag",
                    "photo 5: visible interior pocket area does not show a readable creed, serial\/style number, or Coach label",
                    "photo 6: zipper pulls and hardware are silver-tone and appear generic rather than consistent with a classic vintage Coach brass-hardware design"
                ],
                "missing_information": [
                    "photo 1-7: no clear bottom, side, or hardware close-ups showing maker marks",
                    "photo 4-6: no straight-on close-up of every interior wall, pocket seam, or label area",
                    "photo 1-3: seller-stated dimensions and material confirmation would help distinguish genuine leather from coated or synthetic material"
                ],
                "authenticity_concerns": [
                    "photo 2: the bag has a generic brand-evoking patchwork appearance but lacks the identifiers expected for a Coach product",
                    "photo 4-6: the fabric-lined interior and generic silver-tone zipper construction are inconsistent with many classic unlined, brass-hardware vintage Coach silhouettes"
                ],
                "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 1-3: silver-tone rings, rivets, snap components, and generic zipper pulls are visible; no Coach engraving is legible",
                    "leather_description": "photo 2 and photo 7: multiple colored pebbled-looking panels are visible, but the photos cannot establish whether all components are genuine leather; black edging appears finished or coated",
                    "lining_description": "photo 4-6: black textile lining is visible in the main and exterior zip compartments; no Coach label is visible",
                    "strap_construction": "photo 1 and photo 3: long adjustable narrow strap attached with rings and small snap\/riveted tabs; visible wear and creasing near attachment points",
                    "stitching_description": "photo 2-3 and photo 7: dense contrasting zigzag\/blanket-style stitching outlines the patchwork panels; it is decorative and unlike standard vintage Coach tone-matched construction"
                },
                "possible_model_reasoning": [
                    "No Coach model is a plausible match: the patchwork crossbody silhouette is generic and does not present the defining closure, creed, or construction cues of the cataloged Coach classics.",
                    "Era reasoning: no Coach identifier is visible; silver-tone hardware, textile lining, multiple decorative patchwork panels, and generic zipper construction suggest modern (2000s+) non-Coach manufacture.",
                    "Condition: Good; visible creasing and wear at the strap and patchwork panels (photos 1-3), with interior condition only partly shown (photos 4-6)."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No creed patch visible in any interior view - request straight-on interior back-wall photo to confirm absence",
                    "No hardware brand stamps shown - request zipper-pull and snap close-ups",
                    "No bottom \/ corner wear view"
                ],
                "negative_evidence": [
                    "photo 1-3: multicolor patchwork squares with black zigzag overlock stitching - not a Coach catalog silhouette or leather treatment",
                    "photo 4-6: magnetic snap closure and silver-tone O-ring strap hardware - vintage Coach classics use solid brass turnlock, never silver magnetic snap on this form",
                    "photo 5-6: fully fabric-lined interior with black synthetic lining and brown twill flap underside - vintage Coach classics are unlined suede-back glove-tanned",
                    "photo 2-3: modern perforated unbranded zipper pulls - not Talon\/YKK brass Coach pulls",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible in any view"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone hardware throughout: round magnetic snap on flap (photo 4), large O-rings at strap anchors, small rivets, black-coil zippers with silver perforated flat pulls (photo 2-3); no brass, no turnlock, no COACH stamping visible",
                    "leather_description": "multicolor patchwork squares in brown\/tan\/black\/red\/blue\/green\/cream with pebbled grain, joined with visible dark zigzag stitching; thin tan crossbody strap",
                    "lining_description": "black synthetic fabric lining in main compartment with tan-trim slip pocket (photo 6); flap underside lined in brown twill-like fabric (photo 4)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrasting black zigzag overlock stitching joining patchwork squares on exterior, plus straight edge stitching; not Coach-matched straight stitching",
                    "strap_construction": "thin flat tan strap attached via O-rings with riveted loops, adjustable buckle not clearly shown",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: is a leather-appearing flap crossbody handbag as listed"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: patchwork construction, magnetic-snap flap with exterior zip pocket, silver hardware, and fully lined interior are inconsistent with all vintage Coach classics (City Bag, Willis, Court, Station, Dinky, etc.) which use solid brass turnlocks and unlined glove-tanned leather",
                    "Condition: Very Good; patchwork exterior looks intact with no major stains or corner blowouts visible (photo 2-3), strap appears intact, interior looks clean (photo 6); bottom corners and strap fold not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28547,
            "output_tokens": 908,
            "total_tokens": 29455,
            "estimated_cost_usd": 0.013598
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 29872,
            "output_tokens": 1452,
            "total_tokens": 31324,
            "estimated_cost_usd": 0.007136
        }
    ]
}