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