King George V was depicted in 1911 as Admiral of the Fleet in design that continued in use until 1928.
There were three sets of definitives featuring King George VI, the first series starting in 1937.
Upon her accession to the throne following the death of King George VI, a definitive series depicting Queen Elizabeth II was issued in 1953.
The stamps are engraved and printed by the Canadian Bank Note Company, Limited, Ottawa.
The following series starting in 1967 featured the Queen and pictorials for the high values.