Augustus, AE As, 27mm, Emerita mint, Signed by P. Carisius. Struck 25-23 BC. 

CAESAR AVGVST TRIB POTEST, bare head right.
[P] CARISIVS-LEG-[A]VGVSTI in three lines. 

AMC 328; RIC 23.
Rare.

with permission of cngcoins.com, A.K. Collection.