Antoninus Pius. 40-as; Antoninus Pius; 138-161 AD, Rome, 140-4 AD, As, 9.66g. Obv: ANTONINVS AVG - PIVS P P TR P COS III Head laureate r. Rx: Overstruck with two different rev. types: [GEN]IO - SENA[TVS] S C over T - R P[OT COS II]I S - [C], Romulus advancing r. holding spear and trophy (only the groundline, Romulus' feet, and the beginning of the legend are still visible). Ex Curtis L. Clay Collection; ex Lanz, eBay, 29 April 2014. Colin Kraay, in 1974, was the first to explain such overstrikes, which seem to prove that two reverse dies were being applied alternately and at rapid speed at one and the same obverse die.. aVF. This lot is part of our 227th Buy or Bid Sale. You can buy at the estimate now or bid lower than our estimate. Lots that have not sold at their estimate before May 14th will be sold to the highest accepted offer at 4pm CT on May 14. Check our web site to see if the lot is still available. If you wish to buy any lot through Biddr, simply bid the estimate. We will get back to you if the item is already sold.