sentences:  His work has been exhibited worldwide and over 15,000 of his caricatures have been featured in newspapers and magazines.In 1981 Rafty became the world’s first caricaturist to have subjects appear on national stamps, with caricatures of sportsmen Victor Trumper , Walter Lindrum , Sir Norman Brookes and Darby Munro appearing on stamps issued by Australian Post.He also provided courtroom sketches for news bulletins on the Seven Network.