The Saint Lawrence Seaway 60th Anniversary Prominence. Original MINT CONDITION encapsulated with Certificate Authenticity & case/box, etc. The item "1959-2019 Saint Lawrence Seaway 60th Prominence $30 2OZ Silver Proof Coin Canada" is in sale since Wednesday, May 8, 2019. This item is in the category "Coins & Paper Money\Coins\ Canada\Commemorative". The seller is "mario95coin" and is located in Ontario.This item can be shipped worldwide.