LIBERALITAS AVGVSTORVM
Laureate, draped and cuirassed bust of Balbinus to the right, seen from three quarters ahead.
Liberalitas standing left, holding an abacus with the right hand and a cornucopia with the left hand.
Photo of a coin sold the 03/01/2012 by Heritage Auctions, Auction 3016, lot 23172, link to the sale and their website: https://coins.ha.com/itm/ancients/roman-imperial/ancients-balbinus-ad-238-ae-sestertius-1767-gm-/a/3016-23172.s?type=acsearch3016.
This coin shares the same reverse die as a copy preserved at the British museum, Museum number R.16565, lien vers la monnaie: https://www.britishmuseum.org/collection/object/C_R-16565.
The catalogu 47 of Adolph E. Cahn, 17 mat 1922, lot 859, describe a coin with reverse LIBERALITAS AVGVSTO - RVM, no photo, legend break to confirm.