Prehistoric animals, 1994, 5 stamps
Prehistoric animals, 1998, 24 stamps
Prehistoric animals, 1998, 9 stamps
Prehistoric animals, 1998, 9 stamps
Prehistoric animals, 1994, 1 stamp
Prehistoric animals, 1994, 4 stamps
Prehistoric animals, 1998, 24 stamps
Prehistoric animals, 2018, 4 stamps
Prehistoric animals, 2018, 1 stamp
Prehistoric animals, 1994, 4 stamps
Prehistoric animals, 1994, 4 stamps