Czechoslovakia, **/*/used collection 1918-71 in two schaubek albums with stamp mounts. Comprehensive incl a good mainly x section Posta Ceskoslovenska ovpts, Imperf air mails ovpt x/used, Mazaryk ovpts x/xx, up to 1950 mainly used, later complete x/xx (the later the more xx) incl souvenir sheets. Also colleced pair combinations with extra fields, good section back of the book incl SO ovpts, and finally a section Slovakia. Lot of material and can be recommended. Several pictures on our website. Fine quality (Image1)