The idea was to construct a ‘magic box’, in which a coin can be placed in one of a number of slots, and then be able to remotely be able to determine the slot by means unseen. Obviously ...
the round 1-sen ceramic artifacts were stored in 15 wooden boxes. Mount Fuji and a cherry blossom are depicted on each side. A total of 15 million ceramic coins, valued at 1 sen, 5 sen and 10 sen ...