
A common question in the stamp collecting world is: where can I get my stamp expertly valued? Oftentimes, if an individual wants to sell a rare stamp, a buyer will require a certificate of authenticity. Why? Well, because there have been several instances where a catalogued stamp has turned out to be a fake, or a stamp has been cleverly altered to make it look like something it is not. Who wants to buy a fake? (see article:Fakes and Forgeries-Beware!)