"The longest lasting pen friendship (pen pals) is 78 years 160 days, and was achieved by ..." They first met after 47 years. https://www.guinnessworldrecords.co

"The longest lasting pen friendship (pen pals) is 78 years 160 days, and was achieved by ..." They first met after 47 years. https://www.guinnessworldrecords.com/world-records/72823-most-durable-pen-friends https://www.guinnessworldrecords.com/world-records/72823-mos...