- This 2011-P Australia Year of the Koala $1 coin is a stunning addition to any coin collection. With a fineness of 0.9999 and a grade of MS 70, this uncirculated coin features a beautiful design in silver with a red color. The coin's certification number varies, and it has been certified by NGC The coin is a must-have for collectors of Australian coins and is a great investment. Its KM number is very high, and it is a rare find. The coin is a perfet representation of Australia's rich wildlife and is a great way to commemorate the Year of the Koala. Add this exquisite piece to your collection today!