Examples of the type

Picture 1 of the example of 1 Cash - Guangxu (Tongbao; Boo-dung) Picture 1 of the example of 1 Cash - Guangxu (Tongbao; Boo-dung)
© テリウス_Official
Private collection
ND (1899-1904) – (en) Hartill#22.1385: Small size (around 20 mm); Tong with closed head; Dot in Dung like line (Yantai)