2016 CA Canada 1/4 oz Silver $20 Star Trek: Enterprise $20 Brilliant Uncirculated Photos in this listing may or may not be stock photos. The photos are meant to be an indication of the product you will receive. Coin Highlights: Contains 1/4 oz of .9999 fine Silver. Each coin comes packaged in a clear vinyl pouch in a themed certificate booklet. Limited mintage of 300 000 coins. Obverse: Displays the likeness of Her Majesty Queen Elizabeth II.