It was given to me a few years ago by lovely Ros, when she made a short return visit to Swansea. She and her husband, Glenn, worked with Sean in Zac's for a number of years and we still miss them.
Aboriginal art uses icons, symbols, where each has a significance, to tell often ancient stories. There are a number of theories about how 'dot paintings' came into being, the most popular suggesting that it was a way for the indigenous artists to keep their stories secret, so they wouldn't be understood by outsiders.
For more information about Aboriginal art go here.