Watch List notes:

Zaire, 5000 Zaires 20.5.1988, Brown diamond. Mobutu in military dress at right, leopard at lower left center facing left, arms at lower right Rev. Factory at left, elephant tusks and plants at center. Pick 37a. PCGS Choice UNC 63 OPQ

Very rare variety with brown central diamond to right of Mobutu's ear.