The beaver would be a "Duck-billed Platypus" and the coin would be a 20 cent coin.
These coins are still in circulation so, unless they are part of a Proof or
uncirculated mint set or are individual Proof or uncirculated coins and in absolute mint
condition, they are worth 20 cents.
Australian twenty-cent coin was created in 1966.
1848. Silver. Twenty. Dollar. Coin
The Australian Koala series of coins were only ever minted in platinum and the Twenty-Five Dollar coin was only ever issued as part of a set.
An Australian Twenty cent coin weighs 11.31 grams, so there would be about 88 Twenty cent coins in a Kilogram.
Australia does not have a "Quarter" coin.
Australia does not have a dime coin.
Australia does not have a "quarter" coin.
The Royal Australian Mint never issued a Twenty Dollar coin until the 1990's and then usually in a mint set of bullion coins.
What's a 1870 twenty dollar copy coin worth
About $35,000
The value of a 1981 twenty dollar cultura Maya coin can vary depending on its condition, rarity, and demand among collectors. It's recommended to consult with a coin dealer or appraiser to get an accurate valuation.
This coin does not exist. The platypus is on the 20c coin, and is worth 20 cents. The 5c coin has an echidna on it, and is worth five Australian cents.