Watch List notes:

Qatar Monetary Agency, 50 riyals, 1989, serial number 261217, blue and multicoloured, arms at right, signature al-Thani, reverse, steel factory scene, (Pick 10a, TBB B110a), in PCGS Gold Shield holder, 67 OPQ Superb Gem Uncirculated, very high grade for type.

Estimate: $450 - $650