Watch List notes:

Herennius Etruscus. As Caesar, AD 249-251. AR Antoninianus (23mm, 4.29 g, 12h). Rome mint. 3rd-4th emissions, AD 250. Radiate and draped bust right / Emblems of the pontificate: sprinkler, simpulum, jug, patera, and lituus. RIC IV 143 (Decius); RSC 14. Good VF, a hint of porosity.

From the Olav E. Klingenberg Collection. Ex Classical Numismatic Group Electronic Auction 263 (31 August 2011), lot 371.