CANADA. Quartet of Mixed Types (4 Pieces), 1917-2008. All NGC or PCGS Certified.1) 1917, 10 Cents. PCGS VF-25. KM-23.<p>2) 2000, Dollar. Loon type. NGC SPECIMEN-68. KM-186.<p>3-4) 2008, 25 Dollars. Home of 2010 Olympics. NGC PROOF-69 Ultra Cameo. KM-818.<p>An interesting group of Canadian issues, the last two featuring a holographic nature within a crescent.