It looks like PMD to me. Note that the rim has been obliterated in the same position on both sides, 3-6 o'clock on the obverse and 12-3 o'clock on the reverse. My vote is for 1956! ~ Chris
All post-mint damage, I'm afraid. Here's a coin from 195, by the way, if you're interested: Julia Domna, AD 193-211. Roman AR denarius, 3.32 g, 18 mm, 11 h. Rome, AD 195, issue 6. Obv: IVLIA DOMNA AVG, bare-headed and draped bust right. Rev: VESTA, Vesta enthroned left, holding Palladium and scepter. Refs: RIC 538; BMCRE 56; Hill 136; CRE 414; Cohen 221; RCV 6611.
That is funny. @Lost Boy Your Cent has some sort of corrosion damage on both sides. Welcome to CoinTalk