Reason : Animal themed money :Rand the South African Currency
Foreign coins with coin's flag as a background! Such a great keepsake and a way to display foreign money.
Making Cents of Rare Coins Infographic
There's a rare 1983 copper penny (a 1983-D penny) worth $15,000 -- you could find one in your pocket change! Here's what to look for + Other rare copper pennies.
7 Rare Wheat Pennies Worth Collecting & What They're Worth - The Fun Times Guide to U.