IVORY COAST (1966) Unguent vessel*. Wamougo mask lid*. Die proof in dark violet signed by the engraver MONVOISIN. International Negro Arts Festival. Scott No 242, Yvert No 245.
AVAILABLE AT $120
SENEGAL (1969) School of Medicine & Pharmacology*. Die proof in black signed by the engraver MONVOISIN. 20th anniversary of WHO. Scott No 311, Yvert No 315. Only 28 copies printed. Rare!
AVAILABLE AT $120