Watch List notes:

Sultanate of Oman, Qabus b. Sa'id (AD 1970- ), World Wildlife Conservation proof set of three coins, 1397h/AD 1976, comprising gold 75-rials, rev., Arabian tahr, silver 5-rials, rev., Omani white oryx, and silver 2½-rials, rev., Caracal lynx (Oman p. 105; KM PS3), 75-rials has been gently wiped at some time but otherwise virtually as struck, both silver coins with somewhat 'misty' surfaces and the 5-rials also somewhat discoloured, in case of issue (3)
(1500-2000 GBP)