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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for One on a one-dollar bill 4 letters:

UNUM: One on a one-dollar bill
ORDO: Word on a one-dollar bill
EYE: ___ of Providence (symbol on a one-dollar bill)
GREATSEAL: Symbol seen on the one-dollar bill