Collecting Postcards from all 50 States in the USA

Photo by rc.xyz NFT gallery on Unsplash I like collecting postcards, a habit I developed while traveling to European countries during my PhD in the UK. At that time, a postcard was the best souvenir I could get, as it was cheap and less bulky to carry. I wrote the date of my travel and the names of the folks I met and was with when I purchased the postcard, and kept them in an album as a…