Australia eventually adopted its own currency, and now some of its rare coins can make you very rich. Explore More: These 11 Rare Coins Sold for Over $1 Million For You: 3 Things You Must Do When ...

The rare coin was minted in 2000 with a distinctive 'double rim' and could now be worth up $3,000, according to the Australian Coin Collecting Blog. A regular $1 coin has one. 'Check the date.

A rare error on a 5 cent coin made in 2016 can make it worth up to $4,000. There are a range of reasons circulating coins can ...

This applies to rare coins just as it applies to stocks, real estate or any other investment. The difference with rare coins, however, is that they almost never go down in value, which means you ...

"This decimal coin holds historical significance as it commemorates one of Australia's founding fathers," writes one listing. "With a circulated composition, this coin showcases the era of the 1990s ...