octagonal $50 piece is the largest coin ever issued in the us.
octagonal $50 piece is the largest coin ever issued in the us.
what is the largest coin ever issued in the us?
octagonal $50 piece
panama–pacific commemorative coins









































the five panama–pacific commemorative coins were produced in connection with the 1915 panama–pacific international exposition in san francisco. struck at that city's mint, the issue included round and octagonal $50 pieces. excepting modern bullion coins, these two gold pieces are the highest denomination ever issued and the largest coins ever struck by the united states mint. the octagonal $50 piece is the only u.s. coin to be issued that is not round.
panama–pacific commemorative coins
the largest coin ever minted by the us mint was a gold "half union" pattern in 1877, weighing 83.45 grams, and 51.1 mm in diameter. the largest coin actually issued by the mint was the panama-pacific exposition $50 gold commemorative, at 83.572 grams and 44 mm. an octagonal version of the coin was slightly larger, measuring 45 mm at its widest point.
united states mint coin sizes