CANADA. Quartet of Mixed Dollars (4 Pieces), 2000-15. All NGC Certified. 1) 2000. Voyage of Discovery. PROOF-69 Ultra Cameo. KM-401.2) 2000. Voyage of Discover. MS-68. KM-401.3) 2015. Canadian Flag. Colorized First Release. PROOF-70 Ultra Cameo. KM-Unlisted. 4) 2015. Canadian Flag. Early Release. PROOF-70 Ultra Cameo. KM-Unlisted. From the Mayer Collection of Canadian NGC Registry Sets.