Watch List notes:

GALATIA. Tavium. Galba, 68-69. Assarion (Bronze, 23 mm, 6.45 g, 1 h). ΓΑΛΒΑC CΕΒΑCΤΟC Bare head of Galba to left. Rev. CΕΒ]ΑC-ΤωΝ Hexastyle temple. RPC 3566. Very rare. With an attractive dark green patina and a good portrait. Nearly extremely fine.
From a European collection.

The temple on the reverse of this coin is the Temple of Augustus in Ancyra.