Watch List notes:

SICILY, Leontini. Circa 430-425 BC. AR Tetradrachm (25.5mm, 17.29 g, 10h). Head of Apollo left, wearing laurel wreath / Head of roaring lion right; LE-O-N-TI-N-ON around; barley grain above, to left, and below; leaf to right. Boehringer, Münzgeschichte 55 (same dies); HGC 2, 671; SNG ANS 229-30 (same obv. die); Rizzo, pl. XXIV, 4 (same dies). Toned, flan a little irregular, minor die break on obverse (characteristic for this die). EF. Well struck for issue.

From the JTB Collection. Ex Allan Smith Collection (Classical Numismatic Group 102, 18 May 2016), lot 109.