1965 - 1971, \"the margin of sheet inscription \'BERLIN\' \" in the upper margins various special stamps ex Michel no. 266 / 415, mint never hinged and cancelled special collection of all 11 issues and the \"test series\", besides the mint never hinged sets, mostly in multiples, are 6 issues also as cancelled sets respectively documents included, interesting collection to the hardly noted collective theme, very fine on self-designed pages made up in the spring back binder, in addition to it partial the corresponding counter sheets