The mingle started seven years before the stamps.

US Scott #1530-1537 issued 1974:

"I told myself, 'You're a colonel. You don't cry. You're a tough guy,' he said."
"'His letters were a treat and something to look forward to. He's an incredible writer. Every time I received something in the mail from him, it was like a winning-the-lottery feeling,' said Feeney."
Quoted Text-
https://news.usps.com/2024/05/24/he...me-pen-pals/ Even the USPS carries this story (See stories at the bottom for more good news and reads.)
Great Video, Text & Postal History-
https://www.washingtonpost.com/dc-m...age-letters/


Edited to add: Since 1910, "...Camp Fire connects young people to the outdoors, to others, and to themselves." Yes, here, The Camp Fire Girls did just that in 1967 with a nod to the January 1, 1968 edition.
