This set included a £100 cherry red value, which is very rare and only six copies of the stamp are known to exist.One of the values - the 6d red and black - is very rare despite it being one of the most commonly used rates as it was the stamp duty tax on cheques.Initially it used Rhodesian revenues with the name obliterated by hand in ink, but in 1981 a new design showing the Zimbabwe Bird was issued.Northern Rhodesia became a separate protectorate in 1924, and it issued its first revenue stamps a year later with values from £2 to £50.In 1953, Queen Elizabeth II postage stamps were overprinted with a large R indicating revenue use.About two years later, the 1925 King George V design was reissued with the portrait of the Queen, this time with values ranging from 1d to £50.
Southern Rhodesian postage and revenue stamps fiscally used on a cheque in 1940.