Roman Empire denarius, 3.33g, Rare, apparently unpublished muling of obverse and reverse dies that BOTH have TR P date, issued 155/56.
Roman denarii of Antoninus Pius typically have a TR P date on either of obverse or reverse, but NOT both. This is an example of an error pairing (muling) of dies likely from different mint workshops that both have the TR P date.
NGC Certfifed to Ch VF, Strike 4/5, Surface 5/5
Obverse: ANTONINUS AVG PIVS PPTR P XIX, laureate bust of emperor
Reverse: TR POT XIXCOS IIII, Pax standing left, holding branch and corucopiae
Normal, not muled, denarii for this emission would have obverse and reverse legend combinations as follows with TR P XIX only given once: