Modern Piggy Banks | Mark Thornton (youtube.com)
Pre-1965 silver dime worth $2.25 of silver. Government's inflation using fiat. The announce they will fix it, but propose just more tricky accounting, which doesn't actually pay down the debt. People can buy small coins, like silver coins, and save them, which aren't degraded by government fiat inflation. Silver can also be used as a doorstop, weapon, strength training device. 
