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

Crossword clues for What some coin purses do:

SNAPOPEN: Undo, as a coin purse
SNAPOPEN: What some coin purses do
SNAPOPEN: Unclasp, as a coin purse
DUCAT: Coin in Shylock's purse.
SOL: Coin in a Peruvian purse