Eastern Europe, Albania USSR, approximate 1871-2003, collectorãs stock in approximate 30 gr. Stock books, it was almost exclusively used collected, as well amongst other things Baltic countries, Bulgaria in 3 stock books, CSSR in 4 stockbook, Poland in 2 stockbook, Romania, USSR and Hungaria in always 5 stockbook, included are approximate 290 ** / o souvenir sheet / miniature sheets issues, have a look