Zaire
Republic Three-Piece gold & silver Proof Conservation Set 1975, 1) 2-1/2 Zaires - Mountain Gorilla, KM9, PR69 UCAM NGC2) 5 Zaires - Okapi, KM10, PR68 Ultra Cameo NGC3) 100 Zaires - Leopard, KM11, PR69 Ultra Cameo NGCSeemingly underpriced based on historic auction results as the gold 100 Zaires has a very low mintage of only 279 pieces.
Estimate: 1800-2200 USD