Watch List notes:

Sextantal series. AE Sextans, Sardinia, after 211 BC. D/ Head of Mercury right; above, two pellets. R/ R (retrograde) o MA. Prow right; below, two pellets. Cf. Cr. 56/6. AE. g. 2.37 mm. 17.00 R. A curious and unusual engraver's mistake. Earthen green patina. Good VF.

The "caelator " (inexperienced or in love) engraved AMOR instead of AMO followed by retrograde R.