Articles in this section

• What are "Stamps", and how can I obtain them?
• I purchased a stamp but can’t find it in my collection. What should I do?
• How can I gift a stamp to a friend?
• Will I receive a stamp from Time Machine or World Explorer that I already have in my collection?
• There is a blank image in my stamp collection. How can I resolve this issue?
• I received a new stamp from my friend, but I can't use it in my letter. Why is that?
• Can I use a stamp more than once?
• What are the differences between "My Stamps" and "Stamp Collection"?