GREAT MONGOLS: Töregene, 1241-1246, AR dirham (3.57g), Tabriz, AH643, A-1976, Vardanyan (cf. his #17/18 for Tabriz dated AH642), horseman right, turned back and shooting arrow, with the date repeated in words instead of the tradition legend on this type (ulugh mughul ulush bik, which means "chief of the great Mongol nation"), no animal below, full mint & date on the reverse, the kalima within a square; unpublished and almost certainly unique, choice VF, RRR. Later in AH643, the anonymous hexagram dirham was introduced at Tabriz (type A-2132), struck first with frozen date 643 until 649, then with actual date until AH670.
Estimate: 600-800 USD