Note: Majority of these coins occur with the heroic nude bust (Bastien F19).
It appears that RIC does not properly recognize that type of bust for
 many coins not only of Ticinum, but other mints, as well.

Bust varieties listed by RIC: 2
Radiate, helmeted, cuirassed bust left, holding spear and shield. //PXXT
Radiate, cuirassed bust left with spear and shield, seen from back. //PXXT
Bust varieties attested: 3 (Navis-Mühlen)
Nş 401: Radiate, helmeted, cuirassed bust left, holding spear and shield. //VXXT
RIC bust G = Bastien E1
Nş 404: Radiate, heroically nude bust left, with spear and aegis, seen from back. //VXXT
Bastien F19
Nş 405: Radiate, helmeted, heroically nude bust left, with spear and aegis, seen from back. //VXXT
Bastien E8


4th emission of Ticinum, 278 CE.

RIC 393
RIC 393 variant, Ticinum. Denomination: Antoninianus.
Not listed for this bust type in RIC.
OBV.: VIRTVS PROBI AVG

Radiate, heroically nude bust left, with spear and aegis, seen from back.

REV.:PAX AVG

Pax standing left, holding olive-branch and sceptre.

Mintmark: // PXXT

Weight: ?
Die axis: ?
Diameter: ?

Image provided courtesy of Jesús Vico S.A.

Jesús Vico, S.A. Auction 147, Room Auction. 9 March 2017.

Ex collection G. Dattari.


RIC
                  393 variant

RIC 393 variant, Ticinum. Denomination: Antoninianus.
Not listed for this bust type and officina in RIC.
OBV.: VIRTVS PROBI AVG

Radiate, heroically nude bust left, with spear and aegis, seen from back.

REV.:PAX AVG

Pax standing left, holding olive-branch and sceptre.

Mintmark: // VXXT

Weight: 4.40 g.
Die axis: ?
Diameter: ?

Image provided courtesy of Philippe Gysen.


RIC 393 variant
RIC 393 variant, Ticinum. Denomination: Antoninianus.
Not listed for this bust type and officina in RIC.
OBV.: VIRTVS PROBI AVG

Radiate, heroically nude bust left, with spear and aegis, seen from back.

REV.:PAX AVG

Pax standing left, holding olive-branch and sceptre.

Mintmark: // VXXT

Weight: ?
Die axis: ?
Diameter: ?

Image provided courtesy of Tom Kendall.