Watch List notes:

JAPAN: Hirohito, 1926-1989, Aluminum sen, NE2604 (1944), Y-A66, wayang puppet head / denomination, choice About Unc, RRR. Struck at the Osaka mint for use in the Japanese occupied Netherlands East Indies. Although some 80,000,000 were struck or ordered to be struck, none were ever placed in circulation, due to the worsening war situation. They remain extremely rare and historically important.

Estimate: 1100-1300 USD