Sarawak has an interesting history on the Travelling Post Offices (TPO). It all started with my purchase of the various Sibu Exhibition Covers with the T.P.O. (TPO) cancellations. I was curious about the numbers following TPO and what is a TPO. It was not really a temporary post office but rather a Travelling Post Office. … Continue reading Travelling Post Offices (TPO) Cancellations of Sarawak