U.S. Mint cost of producing coins:In 2013, cost of minting a penny was 1.8¢, while the cost to mint a nickel was 9.4¢. On the flip side, the cost to create a dime was a mere 4.6¢. The U.S. Treasury spent nearly $2 for every dollar in nickels and pennies it put into circulation last year.
Finders ~ Keepers: Airline Passengers Emptied Their Pockets & Left $400K Worth Of Change Behind In 2010 By Mary Beth Quirk January 12, 2012
U.S. Airport Search & Seizure Security areas are basically just one big [Redacted] change jar, as the Transportation Security Administration reports that passengers left behind around $400,000 in coins, 2010.
The [Redacted] Travel Security Administration (TSA), reported by USA Today, added the abandoned coin value up to $409,085.56, which includes $32,605.17 in foreign currency. The $400 K+ does not include cost of the TSA [Redacted] pinching down to the penny.
Disclaimer: Mark Twain (1835-1910-To be continued) is unlicensed. His river pilot's license went delinquent in 1862. Caution advised. Daily Paul ☑