Examples of the type

Picture 1 of the example of 1 Mun (Ho) Picture 1 of the example of 1 Mun (Ho)
© amakitu_Japan (CC BY-NC)
Private collection
ND 戸 – (en) Series 6 (六)
25.6 mm • 4.33 g
CK#라-484-10
25.5mm～25.7mm
Thickness;0.9mm～1.1mm