A nice cover from Latvia, depicting a complete set on topic "Birds from the Baltic sea". This set is part of a joint issue with Sweden and Estonia issued in 1992 and there are 4 different bird species from Baltic sea: the Osprey
(Pandíon halicetus), the Black-tailed godwit
(Limosa limosa), the common merganser
(mergus merganser) and the common shelduck
(tadorna tadorna).
