Page 420 - Sierra Leone to 1961 - The Collection
P. 420
Air Mail Services
27 February 1952 - Freetown to Bathurst, Gambia. Rate of 9d unclear: the published rate was 6d per ½ oz.
13 April 1955 - Freetown to Mikkeli, Finland. Arrival backstamp of 20 April. A rate of 1s 9d not published in any Gazette.
