CANADA. Quintet of Superhero Issues (5 Pieces), 2013-15. All NGC Certified. 1) 10 Dollars, 2013. Superman 75th Anniversary, Vintage Superman. PROOF-70 Ultra Cameo. KM-1445.2) 50 Cents, 2013. Superman 75th Anniversary, Superman-Then & Now Lenticular. SPECIMEN-70. KM-1444.3) 20 Dollars, 2013. Superman 75th Anniversary, Superman & Metropolis Hologram. PROOF-70 Ultra Cameo. KM-1448.4) 10 Dollars, 2015. DC Comics Originals, Supergirl - Unity. Colorized Early Release. PROOF-70 Matte. KM-Unlisted. 5) 10 Dollars, 2015. DC Comics Originals, Supergirl - Strength. Colorized Early Release. PROOF-70 Matte. KM-Unlisted. From the Mayer Collection of Canadian NGC Registry Sets.