Thematics: arctic & antarctic: 1931/1987, SOVIET ARC&ANTARC ACTIVITIES, collecti
Thematics: arctic & antarctic
1931/1987, SOVIET ARC&ANTARC ACTIVITIES, collection of apprx. 90 covers/cards, showing cacheted envelopes, related frankings and special event postmarks, also incl. 1931 Zeppelin issues with 30kop. used block of four and a cover bearing 35kop.+2rbl. (Sieger 120 Ab)....