085 = Coin Collections and Pin Selections

<p>🪙 How many coins would you need to sort through to collect all commemorative €2 coins in circulation? </p> <p><br></p> <p>📍How do you display enamel pins?! </p> <p><br></p> <p>💼 The Any Other Business briefcase is…mostly open. </p> <p><br></p> <p>Here’s the Coupon Collector’s problem video: https://www.youtube.com/watch?v=BstloCx8KDk</p> <p>You can see more on the “Number of banknotes/coins returned from circulation in Euro Area, Euro area (changing composition), Monthly” here: https://data.ecb.europa.eu/data/datasets/BKN/BKN.M.U2.RE10.C.20P0.AS.F.E</p> <p>And, Wiki...