CANADA. Trio of Silver Singing Moon Mask (3 Pieces), 2015. All NGC Certified. 1) 25 Dollars. NGC PROOF-70 Ultra Cameo. High Relief - Enameled. KM-unlisted.2) 25 Dollars. NGC PROOF-70. High Relief - Antiqued. KM-unlisted.3) 25 Dollars. NGC PROOF-70 Ultra Cameo. High Relief. KM-unlisted.