Watch List notes:

SASANIAN KINGDOM: Kavad I, 2nd reign, 499-531, AR drachm (4.06g), RYW (Riv-Ardashir), year 20 (sic), G-185, 2nd series, lovely bold portrait, choice EF, R. Schindel does not include any examples of the 2nd series dated after year 19. Perhaps the mintmaster simply used an old 2nd series obverse die that was still functionable.

Estimate: 100- 150 USD