Watch List notes:

Iran. Pattern 50 Dinars, AH1281. KM-PN3. Bronze. 9.93g. Tehran. Nasir al-Din Shah, 1848-1896. Pattern of the size actually used for the 100 dinar denomination when the type was adopted for use, in AH1297 (1293 for the 50 dinar circulating coin, half the size of this piece). Very Rare. NGC graded AU-50 Brown. Estimated Value $700 - 900
Ex Stephen Album Auction 19, Lot 1965; Yifu Che Collection.