I like to look at stamps sometimes. Stamp collecting is a popular hobby.
I used to have a few stamps from my hobby as a child.  What's your oldest stamp?
I do not collect myself. I look at others stamps or stamps online. There is so many stamps to collect. 
Oh, what are your favorite stamps to look at?  Aren't there many different variations?
I like to look at stamps of famous people or stamps that are dedicated to activities. It is relaxing. What did you enjoy about collecting stamps?
I liked to collect the stamps with baseball players on them.  I love baseball.  Have you seen many baseball stamps?
depicted on them, ranging from ships, horses, and birds to kings, queens and presidents.
Sales of postage stamps are an important source of income for some countries whose stamp issues may exceed their postal needs, but have designs that appeal to many stamp collectors.
History.
It has been suggested that John Bourke, Receiver General of Stamp Dues in Ireland, was the first collector. In 1774 he assembled a book of the existing embossed revenue stamps, ranging in value from 6 pounds to half a penny
demand, they often contain more variation than is typically found in stamps that have a single print run. Switching printing methods and experimenting with phosphors is a common source of variation in modern stamps, while differences in watermarks and perforation are also prevalent, especially in older stamps. Many philatelists study these differences as part of their hobby and try to collect all the varieties of each stamp. Some varieties are particularly rare and can be more valuable than others of the same stamp that may look the same to the casual observer. One