Stamps and Covers of the World - Day 1

JAPON. 1918 (May 7). Registered cover from the Japanese Naval Base at Jaluit, Marshall Islands bearing Japan 20s. red-violet tied by ´Jaluit´ in red manuscript and by native cds. Yokohama red & white Exchange Office label on front and reverse with New York arrivals (June 4). A rare and appealing cover.