Watch List notes:

Augustus, 27 BC - 14 AD
Silver Denarius, Spanish Mint (Colonia Patricia?), 18mm, 3.58 grams
Obverse: CAESAR AVGVSTVS, bare head of Augustus right.
Reverse: OB CIVIS SERVATOS in three lines within oak wreath with inward ties.
RIC 77a

View a video of this coin here:
https://youtu.be/KYc_Pu_YLKU

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Estimate: 400 USD"