Koh Kong Province

One version of the Koh Kong provincial postmark, above.

And a different version of the Koh Kong postmark, left.

Related Sites:

Tourism of Cambodia Travel Guide to Koh Kong: http://www.tourismcambodia.org/provincial_guide/index.php?view=detail&prv=9

and also: http://www.tourismcambodia.com/travelguides/provinces/koh-kong/