Topic: Światowy Dzień Poczty (World Post Day)

The following Polish postage issues commemorate World Post Day:

Fischer 2903 - in 1986
Fischer 2975 - in 1987
Fischer 3016 - in 1988
Fischer 3076 - in 1989
Fischer 3251 - in 1992
Fischer 3321 - in 1993
Fischer 3361 - in 1994
Fischer 3413-3414 - in 1995
Fischer 3477 - in 1996
Fischer 3478 - Sheet 114 - in 1996
Fischer 3528 - in 1997
Fischer 3583 - in 1998
Fischer 3645 - in 1999
Fischer 3710-3713 - in 2000
Fischer 3776 - in 2001
Fischer 3919 - in 2003
Fischer 4004 - in 2004
Fischer 4063 - in 2005
Fischer 4120 - in 2006
Fischer 4183 - in 2007
Fischer 4238 - in 2008