LESBOS. Mytilene. Circa 521-478 BC. Hekte (Electrum, 11 mm, 2.53 g, 6 h). Head of a roaring lion to right. Rev. Incuse head of a calf to right with rectangular punch behind. Bodenstedt 13. SNG Copenhagen 301. SNG von Aulock 1685-1686. Boldly struck and perfectly centered, an exceptional example. Virtually as struck.