Japanese WWII Lot of Wreck Recovered Coins & Official Stamps

Original era manufacture. Lot of 70 assorted coins, and rubber portions of official stamps, recovered from sunken ship off of Kwajalein.Recovered in the 1960's by a husband and wifeworking at the US installation on Kwajelein, who took up scuba diving to pass the time. Comes withtwo handwritten 3x5 cards used in an old museum display established by the couple, and two sheets of basic translation of the stamps.