World Tourism Conference in Manila 1980-1981
Regular and Airmail Stamps (December 2, 1980)
Sc 728 / YT 777
Sc 729 / YT 778
Sc 730 / YT 779
Sc C494 / YT PA597
Sc C495 / YT PA598
Sc C496 / YT PA599
Sc C497 / YT PA600
Sc C498 / YT PA601
Surcharge (December 30, 1981)
Sc 738 / YT 786A
Sc C511 / YT PA613B