Image rights: wildwinds.com

Valerius Gratus, procurator of Judea under Tiberius, 15-26 AD, 
bronze prutah of 14.3 mm, 1.81 grams.
Obverse: "TIB KAI CAP" in a wreath.
Reverse: Upright palm branch, "Julia," "Year 4".
Reference: Hendin 645