These are the most valuable stamps from around the world ... the 1918 24-cent Inverted Jenny is one of the most famous stamps in all philately. There are at least 86 known in existence (only ...

Known as philately, stamp collecting may seem ... Guiana 1c Magenta from 1856 is known as the world’s most valuable rare stamp and was sold in 2014 for almost nine-and-a-half million Dollars!