Watch List notes:

Caracalla (198-217). Æ Sestertius (34mm, 25.50g, 6h). Rome, AD 212. Laureate head r. R/ P M TR P XV COS III P P, Mars standing l., holding Victory and shield set on ground, spear leaning against him; at feet to l., captive seated l. RIC IV 490 corr. (rev. legend COS III, not COS IIII). Smoothed and tooled, scratch on rev., near VF