what are 50p coins worth?
['2009 Kew Gardens 50p. (Photo: Shutterstock) ... ', '2002 N. Ireland Commonwealth Games £2. ... ', '2002 Wales Commonwealth Games £2. ... ', '2015 Navy £2. ... ', '2015 Britannia £2. ... ', '2002 England Commonwealth Games £2. ... ', '2017 Shield 50p. ... ', '2017 Sir Isaac Newton 50p.']