Watch List notes:

Mint Error - Mis-Strike Decimal Two Pence 1977 struck in cupro-nickel, weight 6.52 grammes, NVF/Good Fine with an edge nick (test cut?) comes with two letters from the Royal Mint dated 17th April 1979 and 26th June 1979 and two newspaper cuttings referring to another similar piece

Estimate: 500-750 GBP