SELJUQ OF RUM: Mas'ud II, 1280-1298, AR dirham (2.77g), Bayburt, AH"601", A-1234, Izm--, unusual curlicue above al-'azama lillah in reverse center, VF to EF, RR. The year is actually AH691, but the poor engraver omitted the word or abbreviation for "ninety" (typo!).
Estimate: 150-200 USD