FRENCH EQUATORIAL AFRICA: pattern 40 francs, Paris mint, ND (1958), KM-Pn6, Lec-25, aluminum-bronze pattern by Lay, water buffalo head facing front, mintage of only 33 coins, NGC graded MS66, RR. This piece was struck as part of the 1958 coin design competition (Concours Monétaire de 1958).
Estimate: 500-700 USD