The Board of Commissioners of Currency Malaya issued several types of Malayan currency from 1940 to 1942. A complete set of notes with the denomination of 1 cent, 5 cents, 10 cents, 20 cents, 50 cents, 1 dollar, 5 dollars, 10 dollars, 50 dollars, 100 dollars, 1000 dollars and 10000 dollars were issued in 1941 and 1942.
Among these currency, those with denomination lower than 50 cents were printed without serial number. Despite these lower denomination notes were printed with same printer i.e. Thomas De La Rue, several variety observed in this series of note.
The 20 cents King George VI note has two different varieties namely variety "a" and variety "b". These two variety notes could only be observed if you take a closer look at the Jawi scripts printed in the bottom left of the note. Noted that the variety "b" has two additional dots compare to variety "a" as highlighted in red below.
20 Cents 1941 & 1942 King George VI variety "b"