2007 Canada $20 Sterling Silver Polar Year: Plasma Coin - Gem in Box w/ COA 5 Cents The portrait at center is

The portrait at center is of Henry Clay

Jimmy Carter

The obverse features a large 5 pointed star situated behind an eagle while the reverse displays an allegorical winged Liberty flanked by the busts of General Sam Houston and Stephen Austin

Of somewhat dubious origin

this game included

2007 Canada $20 Sterling Silver Polar Year: Plasma Coin - Gem in Box w/ COA 5 Cents The portrait at center isIssued to mark Canada's recognition of the 125th anniversary of the first International Polar Year, when the first of several coordinated multinational research expeditions to the Arctic and Antarctic were launched. The coins prominently feature Sir Martin Frobisher who, in 1576, was the first to attempt to discover the Northwest Passage aboard the Gabriel. A ship appears alongside a 16th century compass and an Inuit paddling a traditional kayak. The