1880 - 2017 (approximate. ), unused / mint never hinged and cancelled inventory, as well collection German Demokratic Republik (East Germany) First Day Cover with good early issues like Michel no. 250, souvenir sheet 7, 282 / 83, 289 / 92 (2) and 362 / 79, thematic collection \"Cosmos\" (space travel) on pages, as well original-signatures various cosmonauts, very fine and with a lot of expert knowledge made up on informative formed pages, various base collections German and European areas as well thematic collections, manifold and comprehensive estate in 4 large boxes