GERMANY 100th ANNIVERSARY INVENTION OF REIS TELEPHONE FDC FIRST DAY COVER 1961 A beautiful FDC First Day Cover issued in celebration of the 100th Anniversary of the Reis Telephone. The Reis telephone, was an invention by Philipp Reis inspired by a French article in 1854 on how to create microphone-like devices. His first successful work was achieved in October 1861. Date of cancellation 26.10.1961 Postmarked BONN 1 http://www.my-little-auctions.com/item.php?id=40975