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 mixed franking 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 mixed franking 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