Greco-Bactrian Demetrios I AE unit, 200-185 B.C 25.24 g, Extremely Rare

Demetrios I, large AE unit, AE, Shield with gorgon obverse border of pellets around, reverse ΒΑΣΙΛΕΩΣ ΔΗΜΗΤΡΙΟΥ, trident with monogram, 25.24 g; only 2 acsearch ever sold at auction previously