What are the Commonwealth Games 50p coins?
Could you elaborate on the Commonwealth Games 50p coins? Are they special edition coins issued to commemorate the Games? If so, what design elements do they feature? Are they limited edition, and if so, what's the rarity value attached to them? How much are these coins worth on the open market? Have they increased in value over time, and if so, why? What makes these coins particularly unique and sought-after by collectors? Additionally, how can one acquire these coins, and are there any authenticity checks one should perform before purchasing?