samantha stevens Posted April 4, 2011 Report Share Posted April 4, 2011 My son has a round 20p. Its still silver, and is exactly the same size as a £1 coin, but the usual thickness of a 20p. Its dated 2009, and is slightly off centre. Is this classed as a planchet error? Would it be worth anything? Where do we go for valuations etc? Thanks Link to comment Share on other sites More sharing options...
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