IONIA. Teos. Late 6th-early 5th century BC. Tetartemorion (Silver, 6 mm, 0.22 g), Phocaean standard. Head of a griffin to right. Rev. Quadripartite incuse square. Balcer Group XXXIII, 75. Matzke Group Ca3, 93. SNG Kayhan 602-3. Slightly granular, otherwise, very fine.