Watch List notes:

ANCIENT COINS, ROMAN, Mint of Rome unless otherwise stated, Augustus (27 BC - AD 14), Silver Denarius, minted at Colonia Patricia, Spain, struck 18 BC, CAESARI AVGVSTO, laureate head facing right, rev MAR-VL[T], domed hexastyle temple of Mars Ultor, within which is an aquila between two standards, 3.70g, 7h (RIC 105a; BMC 373; RCV 1623). Small banker's marks on the obverse, with a delightful iridescent cabinet tone, good portrait, good very fine.
from the David Sellwood Collection
The temple of Mars Ultor was constructed to house the legionary standards of Crassus and Antony that were recovered by Augustus from the Parthians.

Estimate: £140-180