KHWARIZMSHAH: Muhammad, 1200-1220, LOT of 10 silver broad dirhams, type A-1719, with al-sultan in the obverse central circle with kalima & caliph's name around and just muhammad in the reverse central circle with the rest of his royal legends around; all without mint & date (known dated AH614, but mint name unknown, perhaps struck at Balkh); average circulated grades and with the usual weakness of this type; retail value $300, lot of 10 pieces.

Estimate: USD 120 - 160