Watch List notes:

Singapur 500 Dollars, Gold, 1981, Jahr des Hahns, 1/2 Oz, mit Zertifikat im Etui, KM 21, Fb. B30, in Kapsel, PP.
Singapore 500 Dollars, Gold, 1981, year of the cock, 1/2 Oz, with certificate in the case, KM 21, Fb. B30, in capsule, PP.