Watch List notes:

Elizabeth II, five 'new' pence, 1968, struck on a foreign planchet, bust r., wearing tiara, rev. crowned thistle, wt. 3.93gms. (S.D1), certified and graded by NGC as Mint Error Mint State 63 On a Foreign Planchet
Such mint errors are becoming increasingly popular and collectible.

Estimate: 100 - 150 GBP