Worlds first pyramid shape coin-Isle of Man 2009

#fullpost { display: none; } Do you know which coin is the Worlds first pyramid shape coin? Mosts of us have seen a round coin. The Australian 50 cent coin, for example, has twelve flat sides. A twist on it is wavy edges, found in the two dollar and the twenty cent coins of Hong Kong and the 10 cent coins of Bahamas. Some other coins, like the British Fifty pence coin, have an odd number of