SH90673. Electrum hemihekte, Unpublished in major references; Naville auction VII (1924), Bement Collection, lot 1435; CNG, Triton XI (8 Jan 2008), lot 253, gVF, uncertain Ionian mint, weight 1.282g, maximum diameter 8.5mm, c. 600 - 550 B.C.; obverse siren standing left, with the body of a bird and human head wearing cap with a long curl; reverse irregular square incuse punch; ex Roma Numismatics e-Sale 3 (30 Nov 2013), lot 201; ex Numismatica Ars Classica, auction 92, part 2 (24 May 2016), lot 1476; this type is not published in the major references but many examples are known from auctions; very rare; SOLD