Examples of the type

Picture 1 of the example of 1 Cash - Kangxi (Tongbao; Boo-yuwan) Picture 1 of the example of 1 Cash - Kangxi (Tongbao; Boo-yuwan)
© skeletonwizard8 (CC BY-NC-SA)
Private collection
ND (1714-1722) – (en) Bei with seven strokes; broad rims
25 mm • 2.86 g