Linn's Stamp News gives you a quick look at what's going on in the world of stamp-collecting.

1. March Madness

The #NCAATournament begins in about 40 minutes, so let's look at some basketball stamps! Who ya got in the brackets? pic.twitter.com/qdN8vhImWo

— Linn's Stamp News (@LinnsStampNews) March 19, 2015

Which ones did we miss? Tell us in the comment section below and share them with us on Facebook!

2. Maya stamp update

The new commemorative forever stamp honoring American poet and author Maya Angelou will be issued April 7 in Washington, D.C., and the stamp will go on sale in panes of 12 nationwide the same day.

Full story here.

3. Stamps for a cause

"Stamp Auction Network is conducting its annual Droege Tour de Cure auction to benefit the American Diabetes Association in its mission to prevent and cure diabetes."

4. Yesterday's most-viewed post

Marketing officer Manabe to leave Postal Service

5. Being social