Topic: Valentine greetings

The following Polish postage stamps commemorate Saint Valentine's Day:

Fischer 3284-3285 (1993)
Fischer 3329 (1994)
Fischer 3370 (1995)
Fischer 3424 (1996)
Fischer 3486-3487 (1997)
Fischer 3543-3544 (1998)
Fischer 3596-3597 (1999)
Fischer 3801 (2002)
Fischer 3945 (2004)
Fischer 4020 (2005)
Fischer 4078 (2006)
Fischer 4150 (2007)
Fischer 4195 (2008)
Fischer 4262 (2009)
Fischer 4354 (2010)
Fischer 4601 (2015)