First Day of Issue = May 10, 1997
Size: 29.00 mm x 39.00 mm
Quantity printed = 100,000
Perforated 10.00 x 11.50
Print method: Lithography

Stamp shows an old Baltic ship, linijkugis, which means a large, well-armed warship. This ship on this stamp is identical to the ship on 0443.jpg. This stamp is also from the souvenir sheet 0444.jpg.

Catalog numbers
Scott 444a
Michel LV 455

For more information check out the links below
Baltic Sea States Heritage Co-operation

This stamp belongs to the following sets

Old Baltic Sea Ships
Joint issue of the Baltic countries