How can you tell if a 100 dollar bill is fake?
I work at a retail store as cashier. And it doesn’t bother me enough when people use fake 100 dollar bills. I always hold it up to the light, and I always see Franklin’s head. Does that mean it’s real? What do I look for when I hold it up. And what are water marks?
In addition to the watermark, you can tilt the bill while looking at the “100″ in the bottom right corner. It should change color from green to a sort of grayish-black.
There is also some “microprinting” in the “100″ on the bottom left of the bill, but you don’t want to be whipping out the magnifying glass when someone is waiting for their change.
I know a lot of people suggest those “counterfeit detection” pens, but I’m not a big fan. They work by reacting to the starch that is in ordinary paper. But it’s too easy to buy 100% cotton paper that won’t set off the pen. Not only that, it will “hit” on a real bill that has gotten starch on it.
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