CONGO. 25 Francs, 1965. Switzerland (Argor-Heraeus) Mint. NGC PROOF-66 Cameo. Fr-3; KM-4. Estimated Mintage: 3,000. AGW: 0.2333 oz. Struck to commemorate the 5th anniversary of independence. Delightful to behold and rotate, this popular African issue features President Kasa-Vubu and a tusked elephant. Flashy mirrored surfaces catch the light with ease, while devices also have a more satiny mirrored texture as well.