A Montana man who painstakingly gathered and reassembled parts of five $100 bills eaten by his golden retriever has been reimbursed by the U.S. Treasury for the "mutt-ilated" currency.The ...

Hundred-dollar bills are built to last The estimated “life span” of a $100 bill is 15 years, the longest of any denomination. The $10 bill has the shortest life span, clocking in at just 4.2 ...