Watch List notes:

The Roman Empire
Antoninus Pius augustus, 138 – 161

Denarius 139, AR 3.81 g. ANTONINVS – AVG PIVS P P Bare head r. Rev. TR P – C – OS II Modius with two corn ears and poppy. C 834. BMC 88 note. RIC 44.
Light iridescent tone and extremely fine