Slightly irritatingly, one of my attempts to withdraw dollars from a cash machine yielded a stack of slightly old $10 bills, a few of which are very slightly worn at the edges. Normally I wouldn't give two shits, but here this proves to be a problem. You take them to the exchange booth and the women take them off you with huge frowns on their faces, examine the notes under a microscope, sit there for a minute sucking air audibly, shaking their heads slightly and stroking their beards, and then fling the notes back at you. "Old. Cannot change." they exclaim. No amount of insistence will get them to change their minds. So you take them back, get out some nice new, crisp and clean notes without a single blemish on them and hand them over.
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