1949 - 1990, doublets stock in 31 albums, as well all good Early editions, these partly pending 6 time including Debria souvenir sheet (3 time), German Chinese friendship (5 time), Karl Marx souvenir sheets, further stamp booklet from stamp booklet 1 and se-tenants, miniature sheet as well a collection registration stamps (SbPÄ) from experimental post offices, official stamps and ZKD, high catalog value.