Claudius II, AE antoninianus. Rome mint. Posthumous issue. AD 270. 19.1 mm, 2.73 g. 

DIVO CLAVDIO, radiate head right.
SECVRIT AVG, Securitas standing front, looking left, leaning on column and holding sceptre or baton.

Normanby hoard 1137. RIC -.
Rare.

Agora Auctions - Numismatic Auction 101, Lot 524, July 2021 (as "unpublished" in error)