This is one tradition that must have been fun to keep. So much that these two brothers, have been doing it for over 40 years. They've been sending each other the same birthday card, back and forth. The Peanuts-themed birthday card might just be older than you!

Sunny Kate Methier posted a picture of the card, saying that her father Jeff Methier and uncle Ron Methier have been sending this card back and forth on every one of their birthdays.

It reads: "This is the age of ecology. Don't throw this card away..Recycle it to a friend!"

They took what it read literally, and they've been doing it since 1973. Hallmark doesn't like them we think.