The 1919 stamp was for use on the successful Trans-Atlantic flight to Ireland by Alcock and Brown.

The 1921 stamp was for use on the pioneer airmail flight attempt from Botwood to Halifax NS.

The 1919 stamp was for use on the successful Trans-Atlantic flight to Ireland by Alcock and Brown.

The 1921 stamp was for use on the pioneer airmail flight attempt from Botwood to Halifax NS.
