ABBASID, TEMP. AL-MA'MUN (194-218h), Dinar, without mint-name, 201h. OBVERSE: In margin: mint/date formula beginning bismillah al-rahman al-rahim...; In field: citing al-Hasan and with letter 'ayn below. REVERSE: In field: citing Dhu'l-Riyasatayn. WEIGHT: 4.19g. REFERENCE: Bernardi 102, citing a single example of this date. CONDITION: Edge smoothed, otherwise good very fine and extremely rare (1000 - 1500 GBP)