We posted this error coin up on the Coin Blog’s Facebook page and had a massive response reaching almost 4,000 of our readers so we thought pertinent to include it here as it’s a really stunning and obvious mint error…

As no design elements of the coin design are missing this coin which failed to engage with the collar die correctly must be classified as an uncentered broadstrike. It appears to be a Perth minted coin which is a scarce…

This London minted 1966 20 cent has a detached planchet flaw. The flaw was certainly there when the coin was struck as there is no indication of the design of the coin “flowing” into the missing part of the design.…