I now have a complete set of Daniel Carr Kennedy Half Dollars. Due to striking problems, these are a hair bigger in diameter that the original coins and will not fit in direct fit capsules. I want to put them in the ring type Air-Tites using black and white rings for quick identification between 40%/90% silver and CuNi. What would you do, put silver in black and CuNi in white or silver in white and CuNi in black? Thanks.