2018 Canada $50 3 Oz Silver 30th Anniversary of the SML Coin with Collector Case November 21, 2023 admin The case has a slot for this coin, as well as an available slot for the mint’s 2019 release of the 40th Anniversary of the Gold Maple Leaf (GML) coin. The GML coinIS NOT included. Only 3,000 of these coins were minted.