Oman
Qabus bin Sa'id Specimen 50 Baisa AH 1406 (1985/6) SP66 PCGS, British Royal Mint mint, KM46a. National arms / Value and date. Reform Coinage. Exceedingly rare as a King's Norton mint specimen striking.
Ex. Kings Norton Mint Collection.
From A Special Selection of World Coins
HID02901242017
Estimate: 150-250 USD