While looking up some currencies, one currency caught my attention in Bloomberg's forex conversion calculator. The currency is shown as "Heard and McDonald Island - AUD". Quote Wikipedia "...... about two-thirds of the way from Madagascar to Antarctica, or 7718 km due south of Rajapur, Maharashtra, India. They have been territories of Australia since 1947, and contain the only two active volcanoes in Australian territory, one of which, Mawson Peak, is the highest Australian mountain. The group's size is 372 square kilometres (144 sq mi) in area...... McDonald Island, after being dormant for 75,000 years, erupted in 1992 and has erupted again several times since, its most recent eruption being on 10 August 2005"