1989 - 1991, monetary union, cancelled exhibit collection to the 3 postage periods in the transitional period, beginning with 20 letter pieces / covers the Michel no. 2485 w (Import paper), as well strip of five as well 3 covers, always expertized Juchert BPP, and a ZKD letter with additional franking - extreme scarce use the only short time possible was; stamp booklet pages Ulbricht on 6 correctly franked covers, collected to subvariety, always expertized Weigelt BPP, a cover with Michel F with two strip of five 50 Pfg Ulbricht watermarked 1 respectively 3 expertized Weigelt, seven exhibition pages with permanent issues on w-paper, including coil stamps franking on special delivery insured letter expertized Weigelt, 15 pages with covers to the United States, as well Michel F with Berlin as well registered and special delivery covers, each document detailed described. Documents of this kind are due to the short time of use very rare, a multiplicity of the documents becomes for the first time in trade respectively on an auction offered. Most interesting collection from abandonment of a collection on exhibition pages