JK was a Czechoslovak sports car marque of 1949 to 1955, the work of the designer Július Kubinský in Brno. In 1946, at the Bratislava coachbuilding firm of Ondrej Koller, he built the K & K Special (the initials stood for Koller and Kubinský). It was a two-seat sports roadster, using wartime KdF 82 parts on a lowered platform frame, with an aluminum open body on a wooden frame. The…