Watch List notes:

SICILY, Syracuse. Dionysios I. 405-367 BC. AV 50 Litrai – Dekadrachm (10.5mm, 2.86 g, 2h). Struck circa 400-370 BC. Head of young male (Anapos?) left; ΣYPA to left / Horse prancing right on exergue line inscribed [ΣYPA]KOΣIΩ[N]; all within shallow incuse square. Bérend 8.9 (D4/R3 – this coin); HGC 2, 1281; SNG ANS 346 (same dies). In NGC encapsulation 4936358-009, graded XF, Strike: 5/5, Surface: 5/5, Fine Style.

Ex Collection of a Gentleman (Stack's, 16 August 2021), lot 42048; Numismatic Fine Arts I (20 March 1975), lot 57.