Thrace. Mesambria. 4th. Century BC. AR Diobol (11 mm, 1.26 g.). Facing Corinthian helmet. Rev. META within four-spoked wheel. Karayotov I 39-140. SNG BM Black Sea 268-71. SNG Copenhagen 652-653. Topalov, Messambria 9. Slightly offcentered obverse, otherwise good very fine.