Trajan, 98-117. Denarius (Silver, 19 mm, 3.41 g, 8 h), Rome, 112-114. IMP TRAIANO AVG GER DAC P M TR P COS VI P P Laureate bust of Trajan to right, aegis on left shoulder. Rev. S P Q R OPTIMO PRINCIPI Mars advancing right, holding spear in right hand and trophy over left shoulder with left. BMC 415 var. (slight drapery on left shoulder). Cohen 372 var. (no aegis). RIC 272 var. (slight drapery on left shoulder). Woytek 423c. Extremely rare - Woytek records just five examples of this variety with aegis on the emperor's shoulder; with one additional example on CoinArchives. Wispy hairlines, otherwise, extremely fine.