Do you know much about stamp collecting?  I've never done it.
Not too much but I do know that it is one of the world's most popular hobbies.
I understand that some stamps are very valuable.  Some people do seem to love this hobby.
Yes, the term philately refers to the study of stamps.
That is an interesting term - what language does it come from?
I'm not sure, but postage stamps are often collected for their historical value.
I guess people must order them from other countries and so forth to be able to collect them.
Yes, many people are particularly interested in ones with queens or kings or presidents.
I can see how that would be interesting to collect - especially old ones.
Yes, many stamp collectors collect for shear enjoyment and don't worry about the tiny details.