A yellow jasper magical gem, Greco-Roman, 2nd-3rd century AD, of oval outline, one side depicting a

£300 - £500 £3,276

A yellow jasper magical gem, Greco-Roman, 2nd-3rd century AD, of oval outline, one side depicting a lion, the reverse inscribed 'MIXAH', referring to the Archangel Michael, with an additional X symbol, in a later gold swivel mount on a half-hoop ring, intaglio 1.5 x 1.2cm