Made in: Japan
"For Military Use, (star), Yacht pencil, yacht logo, 850, HB, circle B." Yacht Pencil was a middle class manufacturer established in 1933 and bankrupted in 1967. There were several grades and the highest one was used by the Air Force. Circa 1939 - 1942 era.
A small Japanese pencil brand. Know anything else about them? Do tell.