A "1922 Australian threepence rotation error" refers to a rare coin minted in 1922 where the design elements on the coin, like the kangaroo or the date, are rotate slightly off-axis compared to a normal coin, making it a valuable collectible for numismatists due to its unique error in production.
Rarity:
This type of error is considered quite rare, especially if the rotation is significant enough to be easily noticeable.
