nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqphfk97umd8kwm79e7s5sqzqhsy93aw69a8d92mqlt58zvqljc3cszd33kr You can send yourself postcards. That's also fun. Inside the USA there are cheaper "postcard" stamps. For mailing outside the USA you have to get the expensive forever international stam...