TYPE Greek Imperial, Severus Alexander (222-35 AD), AE22 of Nikaia (Bithynia) DESCRIPTION . Obv: Laureate head of Severus Alexander to right; Greek legend: M AVR SEV [...] XANDROS AVG Rev: Snake coming out of cista mystica, Greek legend: NIKAIEON REFERENCE: SGI -, LK -, L3 -, P - GRADING: AVF / VF+, slight rev. weakness, glossy black patina, very scarce ORDER INFO: R3134, $72