Philately and Stamp Collecting

Someone asked me the other day what these stamps with black edges were The first time I saw one one these stamps I thought someone used a...

I acquired a set of stamps from Bosnia Hercegovina which have a bunch of holes in them. The page where these stamps were placed had a little...

These are the first 101 stamps issued in the Netherlands. These stamps were issued between 1852 and 1913. To determine the first 101 stamps,...