Germany-GDR 831-836 mlh

Germany-GDR 831-836, hinged, $2.85. Michel 1179-1184, Euros 3.40. National Parks, 1966. Spree River woodland; Rugen Island, Konigsstuhl; Saxon Switzerland; Dunes at Westdarss; Thale in Harz, Devul's Wall; Feldberg Lakes, Mecklenburg.