Kiribati

1981 Island Maps (set of 4 stamps)

St. Kitts

1981 Military Uniforms (set of 4 stamps)

Refer https://xmpcx.blogspot.com/2020/07/st-kitts_26.html for a complete set of 8 stamps

Tuvalu

1981 Surcharge (1 stamp)

Malaysia

1981 International Year of Disabled Persons (set of 3 stamps)

Falkland Islands Dependencies

1981 set of 6 stamps

Bailiwick of Guernsey

Top - Europa Personalities 1980 set of 2
60th Anniversary of Guernsey Police Force 1980 set of 3 

Kiribati

1980 set of 4 stamps

Malaysia

Submarine Cable Project between Kuantan and Kuching 1980 (set of 3 stamps)

Kiribati

1979 set of  15 stamps (3 of 3) 7 stamps

Kiribati

1979 set of  15 stamps (2 of 3) 4 stamps

Kiribati

1979 set of  15 stamps (1 of 3) 4 stamps

Malaysia

Celebration of the coming of 15th century Hijrah (1401 Hijrah) (set of 2 stamps)

Nevis

1981 Nevis set of 14 stamps (part 2 of  2 - 6 stamps)

Nevis

1981 Nevis set of 14 stamps (part 1 of  2 - 8 stamps)

Malaysia

The Coronation of His Royal Highness The Sultan of Kelantan 1980 (set of 3 stamps)

Bailiwick of Guernsey

Golden Guernsey Goats 1980 (set of 4 stamps)

Tuvalu

1980 set of 4 stamps

Kiribati

Flowers 1981 (set of 4 stamps)

Tuvalu

1980 Cowry Shells (4 stamps)

Kiribati

Satellite Tracking 1980 (3 stamps)

Malaysia

The 10th anniversary of the National University of Malaysia
1980 (3 stamps)

St Kitts

1980 Christmas (set of 4 stamps)

St.Kitts

1980 (3 of 3) 4 stamps

St. Kitts

1980 (2 of 3) 4 stamps

St Kitts

1980 (1 of 3) 5 stamps

St. Christopher Nevis Anguilla

1980 Official Stamps 2 of 2 ( 4 stamps)

St. Christopher Nevis Anguilla

1980 Official Stamps 1 of 2 ( 5 stamps)

Nevis

1980 (6 stamps)

Tuvalu (formerly known as the Ellice Islands)

"London 1980" International Stamp Exhibition (4 stamps)

Kiribati (formally known as Gilbert Islands)

International Year of the Child 1979 (4 stamps)

Seychelles

Zil Eloigne Sesel 1980 - 5 stamps (3 of 3)

Seychelles

Zil Eloigne Sesel 1980 - 5 stamps (2 of 3)

Seychelles

Zil Eloigne Sesel 1980 - 6 stamps (1 of 3)

Falkland Islands Dependencies

May 5, 1980 - 3 of 3 (5 stamps)

Falkland Islands Dependencies

May 5, 1980 - 2 of 3 (5 stamps)

Falkland Islands Dependencies

May 5, 1980 - 1 of 3  (5 stamps)

Malaysia

The Installation of His Majesty The Yang Di-Pertuan Agong - 1980