The ID on the 5 yen coin is correct. (Current exchange value is about
5 cents US.) The token I think is also from Japan, since it uses the
Japanese hiragana script. The inscription reads "ya-o-ya" or
"yaoya". Some quick Googling shows that "yaoya" is a Japanese word
for a greengrocer, so this is probably a token issued for a grocer in
Japan. Hope this helps.

-Robert A. DeRose, Jr.