Japanese successive Coin OOBAN and KOBAN. Pure gold · pure silver · plating

Pure gold, pure silver, a plating guarantee.
There is a mention on the back of the box.
A miniature of a coin of successive generations.

■Size of the box. 
 2 cm(0.78") in height.
18.5 cm(7.25") in width.
9 cm(3.53") in length.   
Weight 229g/ 8.06oz.    

Age Unknown.
Material ：Pure gold, pure silver, a plating guarantee.

Good condition.