Syracuse, Sicily AR Pentonkion. 5th Century BC. 7 mm, 0.28 g. 

Head of Arethusa right, wearing taenia of pearls.
Five dots (value mark). 

Boehringer 371; Babelon Traité II-1, 2295; Hoover HGC Sicily 1394; SNG Lloyd 1303; SNG Ashmolean 1944.

With permission of Roma Numismatics auction 107, Lot 129, March 2023.