World Currency
Oman Central Bank of Oman 50 Rials ND (1977) Pick 21s Specimen. A wonderful array of color is seen on both the underprint and overprint on this 50 Rials specimen. Red specimen stamps appear in Arabic on the face and English on the back. A single hole punch cancellation is noted at the center. PMG Gem Uncirculated 66 EPQ. From The SOL World Specimen Collection
Estimate: 2000-3000 USD