9 of the most valuable coins in the ... million Canadian Gold Maple Leaf coin is a novelty coin, if there ever were one, and it tips the scales at a whopping 100 kilograms or about 220 pounds.

A coin can be worth a ton of money — a pretty penny, one might say — if it’s rare and has enough historical ... The massive 100 kg. 2007 C$1M coin (Canadian) can land up to $4.1 million ...

The collections tend to have more sentimental than economic value since it is usually relatively easy to find the most common old coins. But in certain cases, due to their rarity or age ...