This is extremely rare Silver round set issued by the well known Franklin Mint. The set was produced in 1973 in very limited quantities for prestigious companies and organizations which achieved Milestones. Only 36 Silver round per year were selected ; Edition proof sets were only produced from 1970 to 1976nbsp;         These highly collectible rounds in the set are comprised of 0.925 Sterling ; All sterling silver proofs 24.3 grams each for a total of more 26 troy ounces of ; It is Rare to find this set complete with the binder