Extremely Rare Gem Proof 10 dollars, Individually cased presentation with a mere 67 coins produced.  The rest of the  268 coins were placed in the Proof sets, total 335 coins struck in Proof and extremely rare Key date, last year of issue from the Franklin Mint, before coins being made by the Royal Mint in larger numbers. 1984 Proof 10 Dollar coin in original Franklin Mint Holder, Case, COA and box. Rare coins as only 67 coins were struck in this Single Presentation. Key Date coin that is always sought after due to its low mintage of 335, in this case 67 Single Holder Presentation.  A keeper for your collection.