1990-1994 Aviation Series $20 coins, 10-coin set Start Price USD 375.00 Current Price USD 375.00 Time Left - Bid Count 1 Buy It Now Price - Reserve Price - Start Time Monday, August 04, 2008 End Time Monday, August 11, 2008 Location Reinholds, PA See more about '1990-1994 Aviation Series $20 coins, 10-coin set' Description 1990-1994 Aviation Series Powered Flight in Canada:  The First 50 Years.  $20 coins are sterling silver with a 24-karat gold-covered cameo.  This is a set of ten coins and includes coins, case and COA.  The outer cardboard box is a little worn on two corners.  I am not a coin dealer nor collector.  These coins were given to me by my father who passed away in April.  I am using the 2009 Standard Catalog of World Coins 1901-2000 and looking at similar coins on e-bay to determine pricing. Place a Bid!