VALERIAN I AE20 OBVERSE: IMP LICI VALERIAN, laureate, draped and cuirassed bust right REVERSE: VCOL AVG TRO, horse grazing right Struck at Alexandria Troas, 253-60 AD 4.86g, 21mm SNGCop 191v
James, Your coin is an excellent strike for this issue with an attractive sandy patina . I love the reverse on this coin , thanks for posting.