Mint Error - Mis-strikes (2) Ten Pence 2010 struck slightly off-centre and lacking 95% of the edge milling EF, Five Pence 1970 the edge milling almost completely missing possibly smoothed, but comparison with a 1968 example (supplied) show the 1970 to be thicker and slightly heavier, VF and unusual
Estimate: 25-75 GBP