SICILY, Mytistratus. Circa 340 BC. Æ Onkia (7.00 gm). Head of
  Hephaestus right, wearing pileus; pellet on pileus / MYT, three spoked
  wheel with central pellet. SNG ANS -; Calciati III pg. 294, 2; BMC
  Sicily pg. 116, 3; SNG Copenhagen -; SNG Morcom -; Laffaille -; Virzi
  1280. EF, dark brown patina, reverse slightly off-center. Overstruck
  on a Syracusan litra, Athena/Hippocamp (Calciati II pg. 76ff), with
  just a trace of the undertype visible. Exceptional. ($750)

Triton V Sale, 15 Jan 2002, lot 208.
 
 Lot sold for USD 450.

Used by permission of CNG, www.historicalcoins.com