GALLIENUS à identifier

Hello, a new Gallienus for you!



I bought this coins with a lovely desert patina.
The reverse is very worn... but I think that It may be a VIRTVS AVG.
What do you think about it?

Also the bust type is interesting... I have not checked in the Goebl... this afternoon I'll do some research.

May it be Goebl 375x?
Rev.: VIRTVS AVG with off. mark VI in left field?
Bust type x: radiate and cuirassed, right.

Like this specimen:

Also if the style of my specimen looks a little bit different I think that it may be of the same type. What do you think?

En fait la marque d'officine (VI) est plutôt placée dans le champ à droite entre V en haut et G en bas et dans ce cas il s'agirait bien de Göbl n° 375x. Le style fait penser à celui des débuts de Siscia, cela étant expliqué par le possible transfert alors dans ce dernier atelier de graveurs opérant dans les officines V et VI de Rome.

Many thanks for your reply.
So this specimen could have been stroke just before the opening of the Siscia's atelier?
There are specific works about the early chronology of Siscia mint under Gallienus?
I have both Normanby Hoard book and M. R. Weder "Mint forgeries of Siscia and some dates of Gallienus" that have some considerations about this mint, but may it be more helpful to find some specific works.

For example this coin (from Siscia) has a similar style:

La monnaie en question appartient à la 3éme émission de Rome habituellement datée de 262. L'ouverture de Siscia est datée soit de 262 soit de 265 et avec un transfert de personnel à partir de l 'atelier de Rome.

Many thanks!