Return of Okinawa to the
Japanese Nation
Commemorative Medals
Return of Okinawa to the Japanese Nation commemorative medal.
Bronze; original case. Dated May 15, 1972.
Return of Okinawa to the Japanese Nation commemorative medal.
Pure silver (20 grams); original case. Dated May 15, 1972.
Issued in silver and bronze. There may be a pure gold version, too. I
have to check that.

I will post a bit more information about these at a future date.
Size comparison.
Bronze medal case is to the left. Slightly
larger than the case for the silver medal.
Case lid (interior) inscription.