Check the listing for details. 2016 - 2018 $50 Banknotes Folder Last DA16 & First AA18 Prefixes, Perfect Notes. Listed at 165.21 USD. Discover the quintessence of Australian currency with the 2016 - 2018 $50 Banknotes Folder, featuring the last DA16 and first AA18 prefixes. These meticulously crafted polymer notes epitomise the precision and quality that the Reserve Bank of Australia is renowned for. With their sleek design and superior durability, they are a testament to Australia's rich history of innovation. As a collectible, this set is a must-have for enthusiasts and numismatists alike, encapsulating the 2000s era in a single, pristine folder. The notes are unmodified and come directly from the original 2 note folder, with a rarity of 9 out of 10. Composed of materials sourced entirely from Australia, this set is a celebration of Australian heritage and a fine addition to any collection.