Do you have an ‘Inverted Jenny’ with you? Keep it for auction is one of the online rare stamp auction centers, you can get millions of dollars out of that. Inverted Jenny is one of the famous rare stamps in the United States of America. Many philatelists all over the world are looking for such a variety of stamp. Many of them are ready to buy such a stamp for high price. The rare and wide availability makes is the main factor that determines the price of the stamp. The list of rare stamps is very short and it is available through the Internet. Old stamps are generally considered as rare stamps. Many philatelists don’t have the ‘Penny Black’ the first postal stamp issued from the Great Britain in 1840. So it is in the category of rarest and the most costly postage stamp. You can make enough money and mental satisfaction by collecting rare stamps.