Watch List notes:

Trebonianus Gallus (251-253). AR Antoninianus (23mm, 4.45g, 6h). Rome, 251-3. Radiate, draped and cuirassed bust r. R/ Pax standing facing, head l., holding branch and transverse sceptre. RIC IV 55; RSC 77. About VF
Estimate: 20 GBP