Watch List notes:

Basil I. ; Basil I; 867-886 AD. Cherson, Cast Follis, AE 19, 4.57g. Berk-913, Sear-1719, Ratto-1856. Obv: Large B standing on exergual line. Rx: Cross floriate on two steps, between pellets in field l. and r. A cast coin, with obverse mould pressed in twice by mistake.This coin is highly unusual, in that it appears to be double struck, which should be impossible, since was made from a cast. This means that a double impression was made of the mould, which does not seem to be recorded anywhere else in the entire cast series of Byzantine coins. F