Watch List notes:

YEMEN: Yahya b. Muhammad, 1904-1948, AR 'imadi riyal, San'a, AH1344, Y-7, a superb example with razor-sharp details and full luster, tied for the highest grade at NGC (top pop), NGC graded MS67. Several die varieties exist, and this date was likely struck over a number of years with a frozen date.

Estimate: 150-250 USD