Examples of the type

British Museum, 1979,0101.21
20 mm9.47 g 12h
SNG BM Black Sea 1297; SNG von Aulock 6798; Callataÿ Amastris 7b
British Museum, 1919,1120.94
19 mm9.6 g 12h
SNG BM Black Sea 1298; Weber 4796; Callataÿ Amastris 3a
American Numismatic Society (ANS), 1968.57.76
9.17 g 12h
Callataÿ Amastris 1d