These cards, sent by well-known 20th Century artists to their colleagues, family and friends, are like gifts in themselves. Subscribe for unlimited access to The Post You can cancel anytime.

"A best friend is the only one that walks into your life when the world has walked out." – Shannon I. Adler "There are three ...

Here's a look at some warm wishes, cards which celebrate friendship. Happy Friendship Day to my friend.” “The most beautiful thing about our friendship is that we understand each other in ...

Here are 25 funny happy birthday cards for your best friend that are guaranteed to make her birthday even better: 1. Veronica Dearly Let's Just Pretend This Was On Time Late Birthday Card.