The 1990 Royal Australian Mint uncirculated coin set is a collection of coins from Australia, specifically minted in 1990. These coins are made of copper-nickel and come in a proof set, making them ideal for collectors looking for coins in pristine condition. The set includes various denominations of coins from Australia, showcasing the beautiful design and craftsmanship of the Royal Australian Mint. Each coin is uncirculated and comes directly from the mint, adding to the set's value and appeal to collectors.