Watch List notes:

Augustus, with Divus Julius Caesar, AR Denarius. Rome, 17 BC. M. Sanquinius, moneyer. AVGVSTVS DIVI • F, bare head of Augustus to right / M • SANQVI NIVS • III • VIR, youthful, laureate head of deified Julius Caesar to right; comet with four rays and a tail in upper central field. RIC I 338; BMCRE 71-3 = BMCRR Rome 4585-7; BN 279; RSC 1 (Julius Caesar and Augustus); FFC 1 (this coin). 3.66g, 19mm, 9h.

Good Extremely Fine.

This coin published in Fernández, Fernández & Calicó, Catálogo Monográfico de los Denarios de la República Romana (2002);
From the Santana Collection;
Ex Alba Longa Collection, Áureo & Calicó, Auction 339, 14 November 2019, lot 1060.