Prehistoric animals, 2013, 7 stamps
Prehistoric animals, 1985, 7 stamps
Prehistoric animals, 1999, 5 stamps
Prehistoric animals, 2006, 7 stamps
Prehistoric animals, 2005, 6 stamps
Prehistoric animals, 1987, 6 stamps
Prehistoric animals, 2016, 7 stamps
Prehistoric animals, 2006, 1 stamp
Prehistoric animals, 2006, 6 stamps
Prehistoric animals, 2005, 1 stamp
Prehistoric animals, 1985, 6 stamps
Prehistoric animals, 7 stamps