Ratanakiri Province
The post office in Banlung town, below, the centre of Ratanakiri Province in the far North-East of Cambodia; the post office building was constructed in 1989:

The interior of the Ratanakiri Provincial Post Office, below, in Banlung and the Ratanakiri postmark:

The Post Office Boxes of Ratanakiri Province, below, numbered 89001 through to 89030:

The Ratanakiri Provincial postmark, below:
Related Sites:
Tourism of Cambodia Travel Guide to Ratanakiri: http://www.tourismcambodia.com/travelguides/provinces/?ProId=20