Eight years ago, in the back of an old ... these coins have survived to the present day, which explains why this seemingly insignificant threepence just sold at auction for more than $2.5 million.

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 ...

The old system of 12 pennies to the shilling ... and the pfennig was the German parallel to the penny. The two-shilling coin was known as a florin, the currency of the Netherlands, and the 2s6d ...