Tetradrachm (17, 08g), about 450 BC Av: Athena head with Attic helmet to the right. Rev: owl to the right, behind olive branch and crescent, before that "AOE". Svoronos plate. 10, no. 2, wide planchet, nice toned, extremley fine rare! Lot 75 the 77. auction of the coins and medals AG, Basle, 1992.