Watch List notes:

ISLANDS off ATTICA, Aegina. Circa 480-457 BC. AR Hemidrachm (13mm, 2.49 g, 2h). Sea turtle, head in profile, ['T-back' design on shell] / Large square incuse with skew pattern. Meadows, Aegina, Group IIIa; HGC 6, 448. Test cut on obverse. Fine.

From the Matthew Curtis Collection.