FIVE 50Ps WORTH POCKETING

1. Kew Gardens. Mintage: 210,000.

Year: 2009. Typical selling price: Up to £100

2. Olympics Football. Mintage: 1,125,500. Year: 2011. Typical selling price: £13

3. Olympics Triathlon. Mintage: 1,163,500. Year: 2011. Typical selling price: £10

4. Olympics Wrestling. Mintage: 1,129,500.

Year: 2011. Typical selling price: £8

5. Flopsy Bunny. Mintage: 1,400,000. Year: 2018. Typical selling price: £6 *Prices from Coinhunter and 50pence.co.uk.