Obtained from St Helena Statutory Rules and Orders,

• No5 (1936),
• No 6 (1939),
• No 1 (1940),
• No3 (1940), 1941,
• No 2 (1948),
• No 12 (1948),
• No 13 (1949),
• No 8 (1950),
• No 19 (1950),
• No 22 (1951),
• No 1 (1952),
• No 5 (1954)

Kindly loaned to me by BJ Mabbett (ed. St Helena and Ascension Supplement, West African Study Circle) 

Postage Rates 1937-1952