ICM-Congress Mathematica Finland 1978
Stamp of Finland; 1978; commemorative stamp to the ICM-congress "Mathematica '78" (ICM = International Congress of Mathematicians); drawing of a figure of the Functions Theory as well as a group of rhytmic function lines: stamp postmarked in Pori, 1978
Stamp: Michel: No. 829; Yvert et Tellier: No. 795; AFA: No. 836
Color: multicolored on luminescent paper
Watermark: none
Nominal value: 1.00 (Markka)
Postage validity: from 15 August 1978 until 31 December 2011
Stamp picture size (printed area without below years line): 31.0 x 21.0 mm
Postmark: Pori 10 (Region Satakunta, South Western Finland), 22 September 1978
