Examples of the type

Picture 1 of the example of 4 Mon "Kan'eitsūhō" (Meiwa Copper Alloy; 11 waves) Picture 1 of the example of 4 Mon "Kan'eitsūhō" (Meiwa Copper Alloy; 11 waves)
© Sakrificed
Private collection
ND (1769-1788) – (en) 大頭通 DAITŌTSŪ; 永 with small head point down and small left arm point down; large マ head of 通
28 mm
Picture 1 of the example of 4 Mon "Kan'eitsūhō" (Meiwa Copper Alloy; 11 waves) Picture 1 of the example of 4 Mon "Kan'eitsūhō" (Meiwa Copper Alloy; 11 waves)
© SGreg85 (CC BY-SA)
ND (1769-1788) – (en) 正字 SEIJI; 永 with head point straight left and short left leg; high 通 with head マ near rim
28 mm5.2 g