On July 2, 1997 Estonia issued this 5.50 kroon stamp as a part of its three-stamp set of "Modern Estonian Ships". Stamp depicts the four-masted barkentine Tormilind
. The Tormilind
was most likely sunk in the Kiel Canal (Germany) in August 1944.
From aeliital123.blogspot.com, "The Tormilind
(Eng: Albatross), a barkentine, the most beautiful sailing-ship in Estonia, was built on the north Estonian coast (in Hara Bay) in 1922. Gross displacement:495 tons."