ROMAN BRITAIN. Antoninus Pius. A.D. 138-161. ® as. 9.63 gm. 26 mm. Rome mint (or possibly mint in Britain). Struck A.D. 154-155. His laureate head right; ANTONINVS AVG PIVS P P TR P XVIII / Britannia seated left on rock, resting head on hand; shield and eagle-tipped scepter to left; BRITANNIA COS IIII around, S C in exergue. RIC III 934. S. 646. Very Fine; rich green patina; some light smoothing. Scarce.

Ex Classical Numismatic Group 49 (March 17, 1999), lot 1611.

The Standard Catalog of British Coins writes that coins of this type are found in such quantity on Romano-British sites that it suggests that they may have been minted at a temporary mint in Britain, using dies brought from Rome.