Royal Mint 2018 Silver Proof Two Pounds, RAF Symbol of the skies Royal Mint 2018 silver proof two pounds, A Symbol of the Skies, RAF. This coin is FDC, housed in an official Royal Mint case with certificates. £55 ENQUIRY FORM To enquire about this Coin please use the form below Your Name* Your Email* Your Message How did you find us? Please selectPublicationWord of mouthSearch engineOther Human test: Which is bigger, 2 or 8?