Cosmos, 1964-1990, German Demokratic Republik (East Germany) sheet collection with 43 unfolded complete sheet in the matching ring binder, as well amongst other things Michel no. 970 / 71. 1020 / 21 (Michel. 230,), 1098 / 99 (Michel. 170,), 1138 / 40, 1343 / 45, 1659. 1714 / 16, 2355, 2359 / 62, and so on.