Does anyone else ever spend obscure currency just to see what kind of reaction you will get?
I once spent a Sacajawea Dollar (the cashier thought I gave her a quarter - then looked closer and said "Oh, one of those?")
My favorite to use, though, is the two-dollar bill. My parents will usually ask for them at the bank because they know that I like them, although it takes a few clerks to get a good amount!
The responses I've received were:
-(Turning back) "Do we take two-dollar bills?"
-"Whoa! A lot of twos." (Lifts up the money tray in the register and sticks them underneath)
-(Person puts the money away, does a double-take)
-(No unusual reaction whatsoever)
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I refuse to answer that question on the grounds that I don't know the answer.