Watch List notes:

Trajan Decius. AD 249-251. AR Antoninianus (22mm, 4.31 g, 7h). Rome mint, 3rd officina. 5th emission. AD 251. Radiate, draped, and cuirassed bust right / PANNONIAE, the two Pannoniae facing one another, clasping right hands; signum between. RIC IV 26; RSC 81. Lustrous. Near EF. A surprisingly rare variety, with only four examples in CoinArchives.

From the Richard L. Horst Collection.