Penryn Boatbuilding Ballerina II Year Length Beam Draft Location Price 1955 21′ 7′ 2′ Michigan $12,000 Description: Bilge Keel Sloop PENRYN designed by the renowned yacht designer Robert Tucker. A Ballerina II design, sail number 217, she was built in 1958 by the Penryn Boatbuilding Company Ltd. , Ponsharden, Penryn, Cornwall, United Kingtom. The Ballerina