Watch List notes:

SAUDI ARABIA: Khalid bin Abdulaziz, 1975-1982, 100 halala, 1977/AH1397, KM-59, FAO commemorative, NGC graded MS65. In 1977 samples were prepared by the British Royal Mint, but were not intended for circulation. Another example graded MS-65 sold in Heritage World Coin Auction 3022, Lot 28976 for $175.

Estimate: 75-100 USD