Stamps of Yemen

Yemen, Prehistoric animals, 1990, 8 stamps
Prehistoric animals, 1990, 8 stamps
Yemen, Prehistoric animals, 1970, 1 stamp (imperf.)
Prehistoric animals, 1970, 1 stamp (imperf.)
Yemen, Prehistoric animals, 1990, 1 stamp
Prehistoric animals, 1990, 1 stamp
Yemen, Prehistoric animals, 8 stamps
Prehistoric animals, 8 stamps
Yemen, Prehistoric animals, 7 stamps
Prehistoric animals, 7 stamps