For the Carus posthumous issue are known: The coin Doug listed and a similar one but having a wreath in beak, witch is very unusual. Emmett 3998 The altar version. Emmett 3995 Both coins also minted with (Doug's ) and without star.
I have one of that issue: NERO AR Billon Tetradrachm OBVERSE: NERW KLAV KAIS SEB GER, radiate bust right, wearing aegis REVERSE: AVTOKPA, draped bust of Alexandria right in elephant skin headdress, LIB to right, year 12 Struck at Alexandria, Egypt, 65/6AD 10.8g, 28mm Köln 172-174; Curtis 36-54, Dattari 204, SGI 633, RPC 5289.