What is the rarest Australian coin?
I'm curious about the rarest coin from Australia. I want to know which one is the most difficult to find or the least common among all the Australian coins.
What is the most expensive Australian coin?
Can you tell me, what exactly is the most valuable coin that originates from Australia? I'm particularly interested in knowing the specific denomination, the year it was minted, and any unique features or historical significance that might contribute to its extraordinary worth. Furthermore, I'm curious about the current market value of this particular coin and whether it's a collector's item or something that's regularly traded in the cryptocurrency or financial markets.