Numisbriefe DDR, 10 Mark, 1988, 40 Jahre Sportbund, st in Numisbrief mit Olympiablock 1988 (alter Ausruf 40) st
Numis Letters German Demokratic Republik (East Germany), 10 Mark, 1988.40 years sports federation, st in numis cover with Olympic block 1988 (former starting price 40) st