Envelope addressed to Mr. Kei Koyama at Camp Livingston, no return sender information. Postmarked Dec 22, 1942, in Hunt, Idaho. In red pencil “Dec 20, 1943” is written above a purple "EXAMINED" stamp. On the back of the envelope are two additional "Internment Camp" stamps; one is dated Dec 28, 1942; the second is dated Jan …