Watch List notes:

IRAN: Ahmad Shah, 1909-1924, AR 500 dinars, AH1337, KM-1054, a very rare date! PCGS graded MS62, RRR. According to the Standard Catalog of World Coins, 10,000 coins were reported struck in AH1337, but probably were dated AH1336. This has so far been an unconfirmed date, but is now confirmed and extremely rare.

Estimate: 500-700 USD