CANADA. Quartet of 20 Dollars Colorized (4 Pieces), 2011-15. All NGC PROOF-70 Ultra Cameo Certified. 1) 2011. Wildflowers, Wild Rose. KM-1145.2) 2012. Wildflowers, Rhododendron. KM-1270.3) 2014. Wildflowers, Red Trillium. KM-1771.4) 2015. Black-Eyed Susan. KM-Unlisted. From the Mayer Collection of Canadian NGC Registry Sets.