Malaysia Stamp & Philately Reference Guide
  Overprinted on Stamps of Straits Settlements (P.G.S.)
Overprinted PERAK on Postcard of Straits Settlements  

1.

Overprinted 'Service'


+ Issue Date     : 1897
+ Classification : Judicial & Official
+ Printer        : De La Rue & Co, Limited
+ Shape          : Rectangular
OFS10
Blue
5 cent
OFS11
Dull Purple & Olive-Yellow
5 cent