Watch List notes:

Oman 25 Rials, Gold, 1987, Maskentölpel, 9,31g fein, KM 74, in Kapsel, mit WWF-Zertifikat, PP. Auflage 5000 Stück. PP
Oman 25 Rials, Gold, 1987, Blue-faced Booby, 9, 31 g fine, KM 74, in capsule, with World Wide Fund for Nature certificate, PP. Edition 5000 pieces. PP