1970 / 1997, enormously inventory the special- and semi-postal stamps with outstanding quality full stamp from "Frankfurt A. M. ", it is a matter herewith about post-office counter cancellation and not about philatelic agency cancel. Most stamps are per 5, otherwise per 3 till 4 pieces existing. In existing form pretty much never offered respectively in this quantity and quality schwierigst obtainable, Michel value 4. 660,- ++