want to know what old silver coins are rare and valuable ... He started with the 1851 Florin or Two Shilling Piece. It has a very low mintage of just 1,500 with an impressive worth of £7,000 ...

"Do you remember any of these old British coins? Some are rare and valuable," before revealing the six special coins to watch out for. Topping the list is the 1924 Florin or two shillings ...