DATABASE: Joseph Lawrence Keen

STAMPS

1947
Colombia, Red cross

1948

Turks and Caicos Islands, Separation, 0.5d and 2d

1950
Paraguay, UPU
Turks and Caicos Islands, 0.5d, 1d, 1.5d, 2.5d, 3d, 4d and 1s definitives

1951
Afghanistan, Air
Tonga, Treaty of friendship (excl. 1d)

1952
Falkland Islands, 0.5d, 1d, 2.5d and 1s definitives
Honduras, 8c airmail stamp
St. Kitts-Nevis, 1c and 12c definitives

1953
British Honduras, 2c, 4c and 25c definitives
Nigeria, 0.5d and 4d definitives

1954

British Guiana, 4c definitive
Falkland Islands Dependencies, 0.5d, 1d, 1.5d, 2d, 4d and 6d definitives
St. Kitts-Nevis, 5c definitive

1955
Falkland Islands, 0.5d, 1d and 1s definitives
United Nations (New York), UNESCO

1957
Costa Rica, 20c, 30c, 50c and 55c airmail stamps
Dominican Republic, 1c (Gerald Ouellette) and 16c (Alfred Ceder) Olympics

1959
Honduras, Lincoln (2c, 3c, 5c, 10c, 25c, 50c, 1l and 2l)

1960

Falkland Islands, 1s, 1s3d and 5s definitives

1961
Honduras, Boundary dispute (1l)
Qatar, 1r and 2r definitives

1966
Sovereign Military Order of Malta, First issue (8gr and 40gr)

1970
Philippines, 10s definitive (Mariano Ponce)

Notes:
(1) The International Engraver's Line - Gene Hessler

You will find Joseph Lawrence Keen's biography HERE.