Topic: MTP (the Poznań International Trade Fair)

The following Polish postage issues commemorate the Poznań International Trade Fair:

Fischer 516 - 23rd Trade Fair 29 April - 14 May 1950
Fischer 773-774 - 24th Trade Fair in 1955
Fischer Sheet 14 - 24th Trade Fair in 1955
Fischer Sheet 15 - 24th Trade Fair in 1955
Fischer 874-875 - 26th Trade Fair in 1957
Fischer 912 - 27th Trade Fair in 1958
Fischer 1086 - 30th Trade Fair in 1961
Fischer 1109 - Sheet 23 - 30th Trade Fair in 1961
Fischer 1526-1531 - 35th Trade Fair in 1966
Fischer 1944 - 40th Trade Fair in 1971
Fischer 2415 - 50th Trade Fair in 1978
Fischer 3035 - 70th Trade Fair in 1988