Watch List notes:

Attica, Athens, New Style. Tetradrachm; Attica, Athens, New Style; Two Monograms/Grain-ear; c.185/180-145 BC, Tetradrachm, 15.91g. Thompson-54, but different reverse die. Obv: Helmeted head of Athena r. Rx: Owl standing r. on amphora, head front; ethnic and monograms l. and r., grain ear to l. of amphora; all within olive wreath. Purchased from Romae Aeternae, April 2016.Slight porosity on obverse. EF