+ Issue Date     : 01/05/1941
+ Classification : Postage Stamp
+ Emission       : Overprint / Surcharge
+ Printer        : De La Rue & Co, Limited
+ Printing       : Typography
+ Watermark      : Multiple Script CA
+ Perforations   : 14
+ Separations    : Normal Perforations
+ Gum Type       : Gum
+ Shape          : Rectangular
+ Orientation    : Vertical

Original stamp of 5¢ was issued in 1926.
Original stamp of 10¢ was issued in 1921.

The change in rates for Malayan Postal Union from 8 April 1940 for letters to 8 cents per first 2 oz and 1 cent for every additional oz and 4 cents for postcards lead to a provisional overprinted issue.