Augustus (27 B.C. - 14 A.D.) - Silver Denarius - 17.72mm, 3.01g
Obverse - CAESAR AVGVSTVS DIVI F PATER PATRIAE
Augustus, his laureate head right
Reverse -  AVGVSTI F COS DESIG PRINC IVVENT
C L CAESARES  in Exergue
Caius and Lucius Caesar standing, each holding a shield and spear
between them, a lituus (on right) and simplum (on left)
above (each turned inward).
Image
Minted in Lugdunum (Lyon, France), 2 B.C.- 4 A.D., probably conitinued for several years afterwards.

Reference:
Sutherland, C.H.V.,"Roman Imperial Coinage", Volume 1, revised edition (RIC), p55, nr.207.
Sear, D.R., "Roman Coins and their Values" (RCV Millennium Edition), Volume 1, p317, nr.1597.
Sear, D.R., "Roman Coins and their Values" (RCV 4th Revised Edition), p96, nr.479.
Cohen, H, "Descriptions Historique des Monnaies frappees sous l'Empire Romain"(C), Volume 1, p69, nr.43.
Seaby, H.A., "Roman Silver Coins" (RSC), Volume 1, p134, nr.43.
Mattingly, H., "Coins of the Roman Empire in the British Museum", Volume 1 (BMCRE), p89, nr. 519, 524, 527.
Van Meter, D., "Handbook of Roman Imperial Coins" (VM), p67, nr.51, variety (b.)
Suarez, R., "Encyclopedia of Roman Imperial Coins II" (ERIC II),  p10, nr.429 (B5, O40, R013, T042 Exe: C L CAESARES)
Suarez, R., "Encyclopedia of Roman Imperial Coins II" (ERIC II-eBook),  p9, nr.429 (B5, O40, R013, T042 Exe: C L CAESARES)
Kampmann, U., "Die Münzen der römischen Kaiserzeit" (Kampmann, 2e Auflage), p43, nr. 2.50, var. with lituus l and simplum r.

Quality: Fine
Rarity: C (Common)