The stamp, seen here with Siegel Auctions President Scott Trepel, once famously featured in an episode of the Simpsons A rare US postage stamp ... stamp was part of a collection made to mark ...

Stamp collecting could offer long-term gains for those willing to carefully research and focus on high-demand pieces, but it's important to approach it with the same caution as any other financial ...

The Year of the Snake stamp is being issued as a Forever stamp in panes of 20, making it not only functional but also a collector's item.