Some Canadian 1-dollar coins are worth much more if they are rare or prized by collectors ... of the purposes explained in this notice. List of IAB Vendors‎ Actively scan device characteristics ...

Other notable mentions are the 1343 Edward III Florin, the 2007 Canadian Gold Maple Leaf, and Morgan Silver Dollars, all fetching significant sums. Rare vintage versions of these 90% silver coins ...

She said only 13 specimens of this coin are known to exist. “Just one is legally held in a private collection, making it one of the rarest and most coveted coins in the world,” she said.

All others are extremely scarce, with only 25 to 50 known examples for each entire coin series. One 1990 example from the more common, but still rare ... at No. 13 on its list of the top 100 ...

Of all the coins created to commemorate the 2012 Olympic Games, the 50p Football is among the rarest. It features an explanation of the controversial offside rule on it, with 1,125,000 produced.