Cancellation cover Commemorating the World Chess Championship match of 1960

Author: Mikhail Moiseyevich Botvinnik (1911-1995) signedYear: 1960Publisher: Russian Chess FederationPlace: MoscowDescription:One sheet cover with cancelled stamp and decorative chess board in black on. Commemorative cancel to stamp. Signed by Mikhail Botvinnik, in blue ink, dated by Botvinnik March 15, 1960.Event covers are decorated, stamped and canceled commemorative envelopes. They are created to celebrate an event or note an anniversary. The design (called a "cachet") is generally placed on the left side of the envelope (although there are also "all over" cachets). It explains what is being commemorated on what date, and some times includes an illustration page. Ideally, the stamps used relate to the celebration. Cancels are either obtained in the city of the event. If a special cancellation (one with a design) has been created for the event, you can generally only receive that cancel from the local post office. Mikhail Moiseyevich Botvinnik was a Soviet and Russian International