Western Australian currency. Gold coins, diamond encrusted, for sale at the Perth Mint:
The Perth Mint says demand is strong for its limited edition two ounce (56 gram) coin which features a handset Argyle pink diamond representing a sun setting over a boab tree in the Kimberley region of Western Australia. http://yhoo.it/1CsDKUI
The Perth Mint has released a limited edition gold and diamond coin depicting a sunset on an ancient boab tree in the Kimberley region of WA
Argyle pink diamonds are from the East Kimberley.