Carhartt på Twitter: "“I believe that when I make a sale, I make a permanent friend.” – Hamilton Carhartt. "Friends First" logo shown here dates back to 1913. #FriendsofCarhartt https://t.co/rkMWdkPh0V" / Twitter
Carhartt's Awesome Old Logo - The New Friends Of Carhartt Collection - YouTube
The History Of The Carhartt Logo - Hatchwise
Age guide, info to tell if your carhartt is authentic, FAQ, and some basic info : r/Carhartt