Postal Stationary - Stamped Envelopes
Stamped Envelope - America's Cup Races
Issued on September 15, 1980 in Newport, Rhode Island
Scott #U598 - Artcraft Cachet

The Cachet by Artcraft depicts the America, winner of the first cup race over 14 of Great Britain's fastest sailing yachts in 1851 (Different sources place the number of competitors variously at 14, 15 and 17 - The official America's Cup Web-site states 14). 

See Aristocrat Cachet for: History of the America's Cup)
See Also: Postcard New York Yacht Club Station No. 6 Newport, RI