According to Business Insider, Taco Bell will give up to 11 lucky customers a lifetime of free food to celebrate its new dollar menu.
For the contest, the company released 11 unique dollar bills in 11 U.S. cities.
Taco Bell will release a serial number for the dollar bill in the city each day until next Friday.
Participants can check http://www.everlastingdollars.com/ to see if they have a match.
Potential winners have a month to find the bills.
The 11 winners will be awarded a $10,000 gift card, which Taco Bell claims is enough for a lifetime's worth of food there.
Estimated odds of winning are 1 in 2.4 billion.
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