Well, go grab your change jar, and dig in your pockets, because a handful of change might actually be worth big bucks. The following is a little bit about a couple of coins you might have right ...

The new Blue Marble silver coin doesn't weigh as much as the now sold-out Big Silver Maple Leaf coin (which weighs a whopping 10 kg), but at 1 kg, it's still heavier than the usual assortment of ...