1858/1935, Imperial Russia/Soviet Union, used and mint collection on album pages from 1858 issue 20kop. and four copies 30kop., following issues incl. high values, some interesting postmarks, Soviet Union definitives etc. Surely a promising lot, needs careful viewing! (Image)

1858 letter from Riga with dotted numbered cancel 38 and boxed cancel Riga to Libau, light vertical and horizontal fold (Image)