The Corvette Convertible Coupe was the closest in styling to the production model. It was painted in a muted yellow hue and it’s main distinctive was a fiberglass removable hardtop that gave the sports car new ”all-weather utility” as touted in the Motorama brochure. This feature would appear on production models as an aftermarket accessories beginning in 1955 and would officially become an option for the 1956 model year.

source: wiki.gmnext.com