What is the shape of the Australian 50 cent coin?
dodecagonal
The current 50 cent coin is made of 75% copper and 25% nickel. Its shape is dodecagonal (12 sided), and it has a plain edge. It weighs 15.55 grams and measures 31.65 millimetres across flats.
Is a 50 cent coin a dodecahedron?
But it also has a fascinating history. Here are five shocking facts about our favourite dodecagon. The 50c coin has been a dodecagon since 1969. THE Australian 50c coin is the largest and heaviest to jangle in your pocket.
What is the rarest coin in Australia?
Australia’s rarest coin, the 1930 penny proof, sold for $225,000 in 1998. Only six proof versions of the 1930 penny are known to exist: three have private owners, one in the Museum of Victoria, the National Gallery of South Australia and the British Museum.
What is the most valuable Australian 50 cent coin?
2000 ‘incuse flag’ 50 cent coin It’s believed that there are only around 200,000 of these coins in public with a value of around $50.
Why do 50 cents have 12 sides?
The original, round, 50-cent coin was made of 80% silver and 20% copper; but as the value of a free-floating silver price became higher, the coin’s bullion value became more valuable than its face value; so that version was withdrawn from circulation and replaced with the dodecagonal cupro-nickel version.
How much is a 1966 Australian 50 cent coin worth?
The 1966 Round 50c Coin, which weighs 13.28 grams, is sold at coin shops, mints, and on eBay for prices ranging from around $9 to $15.50 per coin.
What is a Mr Squiggle $2 coin worth?
Features
| Issuer | Australia |
|---|---|
| Queen | Elizabeth II (1952-date) |
| Type | Circulating commemorative coin |
| Year | 2019 |
| Value | 2 Dollars 2.00 AUD = USD 1.41 |
What coins to look for that are worth money in Australia?
Rare Australian Coins
- 1923 Halfpenny Very Fine.
- 1856 Sydney Mint Half Sovereign Type I Fair.
- 1852 Adelaide Pound Type II PCGS AU53.
- 1852 Adelaide Pound Type II PCGS AU55.
- 1852 Adelaide Pound Type II PCGS AU58 (about Uncirculated)
- 1968 2c PCGS MS66 (Gem Uncirculated)
- 1966 Royal Mint London Proof of Record 4-Coin Collection.
How much is the 100 years of Anzac coin worth?
Although the 2014 $1 WWI Centenary Unc will be issued for circulation, this is an irresistible opportunity to keep your collection complete in strictly Uncirculated condition. Better yet, this key type can be yours at a mere A$6.95 apiece!