I love cards.

I love mail.

And I love getting the former in the latter.

Here are some of my favorite cards I've seen in my recent web wanderings:

Cute and colorful Parisian Zoo cards from Tiny McSmall (what a great company name!). 

For a vintage look, there are Flying Birds from 12Fifteen (printed on a vintage Chandler & Price press) or Spring Flowers from Mothball Charlie.

And, with one box you've got the whole year covered - an assortment of simple and colorful icons printed on cardstock for birthday, anniversary, sympathy, thank you, etc.   Cards For A Year from Violet:

Or, you can create your own custom box of 20 cards from EnFin LaVoila - here are a couple of my favorites: