Watch List notes:

The Roman Empire

Diva Marciana, elder sister of Trajan. Sestertius circa 112-117, Æ 23.65 g. Diademed and draped bust r. Rev. Eagle, with spread wings, standing l. with head r. C 6. RIC Trajan 748.
Very rare. Dark green patina, possibly not original, light corrosion and
scratches, otherwise about very fine