Podcast:Stuff You Should Know Published On: Thu Apr 22 2021 Description: Over the last two centuries philatelists – stamp collectors – have learned just about everything there is to know about every stamp ever printed. You won’t by the end of this episode, but you might be interested enough to start yourself. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.