Wallet Swap 2014
Wallet, $740 Mexican Pesos, newspaper clippings, credit card, receipts, notes, thermometers, condom.

A wallet was swapped for a street vendor's wallet in Mexico City, transferring its content into the vendor's wallet.

A swap is a derivative in which two counterparties exchange cash flows of one party's financial instrument for those of the other party's financial instrument. The benefits in question depend on the type of financial instruments involved.