Official and affordable, this innovative 2023 Australian legal tender set from the Royal Australian Mint honours the discoveries scientists made aboard the CSIRO research vessel (RV) Investigator. This team has explored the deepest of ocean crevasses finding new creatures of the deep. With 5 different Card Styles in this collection; each depicting a different Deep Sea Creature. With great educational written content about the 5 Different Deep Ocean Creatures pictured on the front of the card displayed on the back side of each Card. The coin within each card is a $1 C Mintmark Coin with illustrations of the CSIRO Deep Sea Vessel adventuring far below the ocean's surface on the reverse of the coin, the obverse of this 2023 coin, still has Queen Elizabeth II's 6th Portrait by Jody Clark. Will this be one of the few remaining RAM Issues still to display Queen Elizabeth II's effigy? Who Knows!?

With the one-year-only C Mintmark $1 type not to be issued for circulation, demand for this set will be huge