Special stamp booklets 1 ba1. A, cancel with two lines and change of contribution in red on cover side 1, content Michel number 1837, mint never hinged, rare, Richter 575.- booklet with postmarks and changes in contributions were from booklet the mostly qualitatively inferior waren produced, due to the qualitative restrictions received these therefore cancel or handwritten entries, they were on the Post offices and Ruegen and on postal offices the National people's Army sold.