Oman 1976 silver proof 2 1/2 and 5 Rials set from the WWF conservation series.

Reverses feature the Desert Lynx and the Arabian Oryx.

2 1/2 Rials: 38.61mm diameter, weighs 28.28g of 0.925 sterling silver, mintage 4407.

5 Rials: 42mm diameter, 35g of 0.925 sterling silver, mintage 4401.

Encapsulated with Certificates of Authenticity in Royal Mint case of issue.

I combine postage so if buying more than 1 item please request invoice.