Watch List notes:

ELECTROTYPES, ATTICA. Athens. Circa 469/5-460 BC. Electrotype 'Dekadrachm' (33mm, 46.19 g, 8h). British Museum electrotype ([MB] on reverse). Head of Athena right, with frontal eye, wearing single-pendant earring, necklace with pendants, and crested Attic helmet decorated with three olive leaves over the visor and a spiral palmette on the bowl / Owl standing facing, wings spread; olive sprig and crescent to upper left, A-Θ-E clockwise around from upper right; all within incuse square. Head, Guide Period II B, 19. As made (with original test cut).

From the Mercury Group Collection. Ex Classical Numismatic Group 81 (20 May 2009), lot 1472 (part of).