coinsweekly.com

R5LAa TIL Because tungsten and gold have almost identical weights, fake gold bars and coins made from tungsten cannot be identified by the usual method of density testing, and ultrasound has to be used instead.
neO7Y TIL: After murdering Caesar, Brutus minted a coin to commemorate the occasion. A handful of silver and only two gold are known to exist.
N7reP TIL almost all coins used in Israel today are based on ancient designs found in archeological digs. The Bank of Israel actually mints coins that are designed to look like ancient Israeli coins from antiquity.