Mauritius 'Post Office' stamps was created in 1847.
No, you can not resell your stamps back to the post office.
If you are a philatelist, you can purchase stamps from all over the world on eBay. There is also an official website for the Indian Post Office called e Post Office, and there you can purchase stamps online.
The post office does not pay the estate.
Yesterday I went to the post office to get some stamps.
One can find reliable information about different kinds of post office stamps by visiting a local post office where one will all sorts of stamps and other items like envelops.
You get them from the Post Office.
No they will not buy back stamps
at the post office near you.
Purchase them at the Post Office and ask for them by name.
Yes.
Yes.