The 4pc Eurofighter Typhoon, F-22 Raptor Fighter, F-35 Lightning and J-20 Chinese Dragon Jet shaped copper coin set is a unique and limited edition collectible with a mintage of only 3000 pieces. Minted with a high level of purity at 0.999 copper fineness, these coins are a valuable addition to any coin collection. The intricate design of these Fighter Jets adds a touch of authenticity and patriotism to this world currency.  These medals are struck from 1 oz of .999 Fine Copper with UV ColorizationCopper is Booming in demand and price!  It is the new Silver!  Just like Silver, artistic and low mintage Copper pieces are skyrocketing in demand and attention.  Get in on the bottom floor while you can : )