Examples of the type

British Museum, 1853,0512.50
18 mm6.99 g
BMC Greek (Ionia) p. 18, 6
British Museum, 1866,1201.3600
18 mm6.84 g
BMC Greek (Ionia) p. 18, 7
British Museum, 1979,0101.375
21 mm6.96 g
SNG von Aulock 1982
British Museum, 1866,1201.3601
19 mm7 g
BMC Greek (Ionia) p. 18, 5