GREAT MONGOLS: Anonymous, ca. 1260s, AR dirham (1.29g), NM, ND, A-3747K, inscriptions al-imam al-a'zam // khalifat Allah, said to come from the region of Kaiyaluq, choice VF, R. The hoard containing this type was published by K.M. Baypakov & P.N. Petrov in Turkmenistan in 2007, with a selection illustrated by Petrov, Baipakov & Voykin, in "Monetnoe delo i denezhnoe obrashcheniye…" in Almaty in 2014, illustrated on Plate 35.
Estimate: USD 100 - 130