Prehistoric animals, 1993, 3 stamps
Prehistoric animals, 2007, 6 stamps (imperf.)
Prehistoric animals, 2007, 6 stamps
Prehistoric animals, 1993, 6 stamps
Prehistoric animals, 2010, 4 stamps
Prehistoric animals, 2013, 4 stamps
Prehistoric animals, 2013, 4 stamps
Prehistoric animals, 2008, 2 stamps
Prehistoric animals, 2010, 4 stamps
Prehistoric animals, 2010, 4 stamps
Prehistoric animals, 4 stamps
Prehistoric animals, 12 stamps