New coins come and go and most fall into oblivion after a few weeks in the market. However, some coins become a staple in collecting and this very well could be one of them. The SR-71 coin comes alive in the 3D and the beauty is strike through the black nickel plating. The coin has the highlights in polished nickel with all the trimming you could want. This is one of the most outstanding coins of 2008 and it just snuck in being released in mid-December. The size it what …