Examples of the type

Picture 1 of the example of Pis bolong - Bali (ritual cash)
© Zanzi (CC BY-SA)
Private collection
ND – (en) Boo Chiowan ᠪᠣᠣ ᠴᡳᠣᠸᠠᠨ
24.1 mm • 3.9 g
Reverse rotated. Ex. Adam Biagi, ex. Bob Reis. Zeno.ru #342226