Hello!
Some days ago I bought this uncommon coin of Gallienus:
D\ GALLIENVS AVG
R\ PAX AVG, V|_
MIR 36 366t; RIC V (sole reign) 256; Cunetio 969
I know only two ex. for this type: the MIR-Cunetio and the lot. n. 144 CNG eAuction 442 from the Holmes coll.
do you know other specimens?