Watch List notes:

AYYUBID OF YEMEN: al-Mas'ud Yusuf, 1214-1228, AR fractional dirham (0.68g), Makka (Mecca), AH619, A-1096A, citing the caliph al-Nasir, mint name clear, fully clear date previously unreported (only AH624 was previously known, citing the late caliph al-Mustansir), unpublished and unique, VF, RRRR. This example is far superior to the AH624 piece, which was worn and chipped, last sold in Stephen Album Auction 20, Lot 389, for merely $480.

Estimate: 1,000-1,200 USD