LESBOS. Mytilene. Circa 521-478 BC. Hekte (Electrum, 10 mm, 2.57 g, 7 h). Forepart of a bull to right. Rev. Incuse head of a lion with open jaws to right; behind, rectangular punch. Bodenstedt -, cf. 5 (head of lion to left). CNG 102 (2016), 414 (same reverse die). Extremely rare, one of a very few known examples. Extremely fine.