Lots of families have their own unique birthday traditions - and this one is one of the best we've seen.
Redditor LincolnsLostSpeech posted a pic of a birthday card that her uncle has been exchanging with his cousin for the last 47 years.
The card was bought in 1970 for 25c and it has been sent back and forth on each of their birthdays since - that's 94 times.
And Bill and Steve signed their name every year.
Here's what the front of the card looks like.
Think of all the money they’ve saved on birthday cards