The whole article is full of sensationalism. 1. The only connection to Kilwa is the size and shape of the coin, that's flimsy at best. 2. It's not evidence of

The whole article is full of sensationalism. 1. The only connection to Kilwa is the size and shape of the coin, that's flimsy at best. 2. It's not evidence of direct contact, there are plenty of instances of coins from one place ending up in another with no direct contact. 3. Trade between Northern Australia and Indonesia is already somewhat well established. 4. Similarly Indian ocean trade has been going on for thousands of years. This might be a cool find and further evidence of trade between Australia and Indonesia but it's not rewriting history.