Stamp collecting is the collecting of postage stamps ,and its additions
How can you find rare postage stamps to collect?
history of postal service of the United States began with the delivery of stampless letters, whose cost was borne by the receiving person, later also encompassed pre-paid letters carried by private mail carriers and provisional post offices, 
I did not know there were stampless letters where receiver paid.  When were stamps where buyer paid first started?
 Postage stamps are often collected for their historical value and geographical aspects and also for the many subjects depicted on them, ranging from ships, horses
What are the most famous stamps to collect?
postage stamp is a small piece of paper that is purchased and displayed on an item of mail as evidence of payment of postage
What kind of paper is used for postage stamps?