Emmett Brown's DeLorean Time Machine from the. The coin's surface has been'antiqued' by hand to give it a unique finish. To celebrate the significance of 88mph - the speed the DeLorean must reach to initiate time travel, only 888 of 2021 Back to the Future Time Machine Shaped 2oz Antiqued Silver Coin will be released worldwide.The coin's obverse features the Ian Rank-Broadley effigy of Her Majesty Queen Elizabeth II, the year-date and the monetary denomination. The coin enclosed is produced under licensed by The Coin Company Australia as legal tender under the authority of Niue. Material: Fine Silver (99.9%). This item is in the category "Coins & Paper Money\Coins: World\Australia & Oceania\New Zealand". The seller is "elitecoinage" and is located in this country: US. This item can be shipped to United States.