7 penny, 10 penny and 20 penny Heuss (III) on fluorescent paper with hand stamp overprint \"cancelled\", from 1958 undertook the German Federal Postal Administration in the post technical central office attempt to the automation of the postal service traffic, these postage stamp were to this with flourine and phospor substances provided, on the stamping machines allocutions, an official sale resulted not, impeccable mint never hinged, current photo expertize H. D. Schlegel BPP: \"perfect, in the for this issue normal perforation\", Michel 1.500.-