The stamp, seen here with Siegel Auctions President Scott Trepel, once famously featured in an episode of the Simpsons A rare US postage stamp has sold for $2m (£1.63m) in a New York auction ...

Rare and high-quality stamps have demonstrated the potential ... making them potentially lucrative investments. In the United States, the 24c Inverted Jenny from 1918 holds a distinguished and ...