Machine-History.Com

A luxury automobile at its ultimate, the "Golden Sahara" was completely designed and built by George and Sam Barris from ground up. Transparent top is hinged at center for easy entry; tire is molded into rear deck, as on current Imperials. Cost reported to be in excess of $25,000.
http://www.machine-history.com/Golden%20Sahara%201955

source: Custom Cars 1959 Annual by James E. Potter