BRUTTIUM. Kaulonia. Circa 500-480 BC. Diobol (Silver, 10 mm, 0.85 g). ΚΑV-ΛΟ arranged in a rough circle on a raised disc with a rayed border - a hoplite shield?. Rev. Triskeles of three human moving to right; at the center, dot within annulet. CNG 112, 2019, 58 (same dies). HN III 2042. Noe, Caulonia, 207. Very rare. Toned. Very fine.
From the Dr. Paul Peter Urone Collection, ex Kovacs MBS XV, 1 October 2003, 18.
Both the obverse, which seems most likely to be the side with the inscription, and the reverse are almost certainly shield devices.