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\U0001fa99 How many coins would you need to sort through to collect all commemorative \u20ac2 coins in circulation?\xa0

\U0001f4cdHow do you display enamel pins?!\xa0

\U0001f4bc The Any Other Business briefcase is\u2026mostly open.\xa0

Here\u2019s the Coupon Collector\u2019s problem video: https://www.youtube.com/watch?v=BstloCx8KDk

You can see more on the \u201cNumber of banknotes/coins returned from circulation in Euro Area, Euro area (changing composition), Monthly\u201d here: https://data.ecb.europa.eu/data/datasets/BKN/BKN.M.U2.RE10.C.20P0.AS.F.E

And, Wiki Sources: \u201c2 euro commemorative coins\u201d on good old Wikipedia: https://en.wikipedia.org/wiki/2_euro_commemorative_coins

As always, send your problems and solutions to our website: www.aproblemsquared.com.

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