I really enjoy stamp collecting since my dad was a postman growing up!  Do you collect?
I do not collect but I was a postman myself. Sold many a stamp with animals, ships, and presidents on them.
Really!  I was always intrigued by all the different types from all over the world.  When did stamp collecting become a thing?
It really boomed towards the end of the nineteenth century. The postal service grew at a radip pace then.
Really?  That is interesting.  Was there a particular reason that it became so popular?
I think because the is a constant stream of new stamps being issued. There is always distinct themes to collect.
That was pretty ingenious for the Postal Service to do that.  They most likely sold a lot more stamps because of it, right?
It is a form of universal pre-payment so it is both convenient and a fun hobby.