Airmail - International Stamp Exhibition "PRAGA '78" - Prague, Czech Republic 1978
Now showing: Mongolia - Postage stamps - 1978 - Airmail - International Stamp Exhibition "PRAGA '78" - Prague, Czech Republic - 1 stamps.
1978
Airmail - International Stamp Exhibition "PRAGA '78" - Prague, Czech Republic
5. September WM: None Sheetsize: 1 Perforation: 12