The Royal Navy 2015 UK 2 Silver Proof Piedfort Coin Struck in double-thickness 925 sterling silver Weight 24grams (silver content ~0.71 troy oz) 83.33 (includes VAT) ; 69 for North Americans (~$105 US, ~$133 CDN) Mintage of 4000 http://www.royalmint.com/shop/The_R...iedfort_Coin?tab=specification#productdetails
There is a standard thickness coin at half that price, as well as a gold version as well. http://agaunews.com/royal-mint-wwi-centennial-coins-continue-royal-navy/
