1921 Crown Prince Voyage
to Europe
皇太子御渡欧記念
'1921 Crown Prince Voyage to Europe Commemorative.'
'Crown Prince Overseas Voyage Commemorative, Taisho 10 [1921] March 3.'
Silver medal.
'Crown Prince Overseas Voyage Commemorative, Taisho 10 [1921] March 3.'
Bronze medal.
The smaller matching badge for the above medal. These
were sold separately, no doubt at a more reasonable price.
No ribbons were attached. Hallmarked .950 on the edge.

'Crown Prince Overseas Voyage Commemorative, Taisho
10 [1921] March 3.'

There is also a .900 (22K) gold version of the small badge.
Japan Mint hallmark on the edge.
Some sort of commemorative for Crown Prince Hirohito's 1921 Voyage to Europe.
The commemorative postage stamp is affixed to the cover.

The piece folds out and there is a lot of text on the inside.