We ask for your help by trying to anticipate postage needs for your department to allow us time to fulfill your orders ... The following common stamp denominations are sold in self-adhesive format and ...

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 ...