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

1. Happy Cinco de Mayo

 

Cinco da Mayo remembers the Battle of Puebla on May 5, 1862. #mexico issued this #postagestamp May 5, 1987, for the 125th anniversary. Design based on 1901 poster by Jose Guadeloupe Posada. #Stamp #mail #hobby #sellos #timbres #stampcollecting #philately #mexican #mexicanpride #mexicanhistory #cincodemayo #cincodemayo2015 #posterart #puebla

A photo posted by Linn's Stamp News (@linns_stamp_news) on May 5, 2015 at 2:47am PDT

Si, #USPSstamps collectors get into the swing of things for #CincoDeMayo! pic.twitter.com/5H29KKIl4R

— Maureen Marion (@MaureenMarion1) May 5, 2015

2. Princess Charlotte

The Isle of Man Post Office celebrated the birth of Charlotte Elizabeth Diana, fourth in line to the British throne, on a pane of eight stamps and four labels announced just hours after her birth on May 2.

3. You bought it

As part of our continued conversation with our readers, we like to ask Linn's Stamp News Facebook fans to share stories about the philatelic acquisitions they've made recently.  

Here's the latest edition.

4. Yesterday's most-viewed post

PRC chairman says USPS can 'keep moving forward' 

5. Something social