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

1. Monday Morning Brief

2. It's official

Megan J. Brennan was ceremonially sworn in as the nation's 74th postmaster general March 6 in a low-key event. 

3. Toying around

"Jersey Post will picture Hornby model trains on six stamps to be issued March 24. Two of the stamps are part of the multination Europa series with the theme of traditional toys."

4. Yesterday's most-viewed post

Say goodbye to the lick-and-stick U.S. stamp 

5. Being social