Watch List notes:

Great Britain. Royal Mint trial die circa (1960). Elizabeth II. Test piece in cupro-nickel with 12 scalloped sides. This may have been made when the UK was experimenting with decimalisation and new coinage types around 1960-1964 (Decimalisation took place in the early 1970s) or it could be a product aimed for a Commonwealth or other nation. Very rare. At Grading Service, Final grade on Web Site. Estimate Value $100 - 150