However, some of the most valuable 50-cent pieces sell to coin collectors for ... This is an extremely rare coin, and CoinCollecting.com suggested less than 12 are known to exist — and only ...

But Australians have the opportunity of coming across another rare 50 cent piece. Victorian-based coin dealer, Downies Collectables, recently sold a rare 1988 50cent coin for an eye-watering $14,750.