Examples of the type

Picture 1 of the example of 1 Mun (Hun; Perfect) Picture 1 of the example of 1 Mun (Hun; Perfect)
© amakitu_Japan (CC BY-NC)
Private collection
ND (1857) 訓 – (en) Series 4 (四)
23.4 mm • 4.17 g
Thickness:1.5mm