Australia 20 Cent 1975 Clamshell Split Planchet Error
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| Coin Type: | Australia 20 Cent |
| Grade: | Uncirculated |
| Mint: | Royal Australian Mint |
| Metal: | Cupro-Nickel |
| Obverse: | Elizabeth II (Arnold Machin) |
| Reverse: | Platypus (Stuart Devlin) |
1975 20 cent with a mostly split planchet but the two halves have not detached. Planchet split around a bit less than half of the coin’s rim forming the characteristic ‘clamshell’ shape that gives this type of error it’s name. The nicest of three errors of this type we’ve listed recently and grades to Uncirculated.
You can read more about clamshell errors here.
Supplied in an archival Saflip.
