The volume of the dodecagonal Australian 50 cent coin is about 2,338 cubic mm.
There is no flower on the reverse of an Australian 50 cent coin.
Such a coin does not exist. There were no Australian 1967 50 cent coins minted.
The 1966 Australian 50 cent coin has a diameter of 31.5mm. The area of one side of the coin is 779.3 square mm.
Yes. The Australian 50 cent coin has been issued in every year except 1967 and 1968.
Presumably, you refer to the Australian 50 cent coin. The round Australian 50 cent coin was only ever minted for 1966. All subsequent Australian 50 cent coins are dodecagonal or 12 sided.
Other than the 1966 coin, the only round 50 cent coin ever issued, the Australian 50 cent coin is a cupro/nickel dodecagonal (12 sided) coin of silvery appearance and is often used as a commemorative.See the link below.
An Australian 50-cent coin weighs 15.55 grams.
One each of the 5, 10, 20 and 50 cent, 1 Dollar and 2 Dollar coins = 50.95 grams. Australian coins have the following weights - 1 cent - 2.59 grams 2 cent - 5.18 grams 5 cent - 2.83 grams 10 cent - 5.66 grams 20 cent - 11.31 grams 50 cent - 15.55 grams 1 Dollar - 9 grams 2 Dollar - 6.6 grams The 1 and 2 cent coins are still legal tender.
The Australian 1966 50 cent coin was the first and last round Australian 50 cent coin produced by the Royal Australian Mint. With the wisdom of hindsight, this coin was a bit of a blunder on the part of the Royal Australian Mint. It was only very slightly larger in size to the Australian 20 cent coin and it had an 80% silver content at a time when the price of silver was increasing rapidly. It took only three of these coins to get one ounce of silver.
Other than the initial Australian 1966 50 cent coin which was round, all subsequent Australian 50 cent coins from 1969 have been dodecagonal or 12 sided. Because they are of a similar size to the 20 cent coin, they were made 12 sided so that vision impaired people could feel the difference.
300 mm
No currently circulating Australian coin contains any silver. The only Australian 50 cent coin to contain any silver was the round 1966 coin which had an 80% silver content, about 0.3416 ounces. At today's prices about $10.70 USD.