Watch List notes:

Sicily, Himera. c. 490-450 BC. Litra, 0.50g (12h). Obv: Open mussel, seen from above. Rx: Four-spoked wheel. G. Manganaro, JNG 34, 1984, p. 25, note 48. Ex Art Coins Roma 12, 29 October 2014, lot 105.