BRAZIL. Olympics Proof Set (5 Pieces), 2015. All NGC PROOF-70 Ultra Cameo.Series II Olympics issue. All housed in a box of issue with certificates of authenticity. Each is free of tone, haze or fog.1) Gold 10 Reais. Pole Vault. KM-721. Mintage: Est. 4,500 pieces. NGC PROOF-70 Ultra Cameo.2) Silver 5 Reais. Rowing. KM-712. Mintage: Est. 15,000 pieces. NGC PROOF-70 Ultra Cameo.3) Silver 5 Reais. Cycling. KM-713. Mintage: Est. 15,000 pieces. NGC PROOF-70 Ultra Cameo.4) Silver 5 Reais. Running. KM-714. Mintage: Est. 14,100 pieces. NGC PROOF-70 Ultra Cameo.5) Silver 5 Reais. Beach Volleyball. KM-715. Mintage: Est. 15,000 pieces. NGC PROOF-70 Ultra Cameo.