It’s time to catch up on the week that was in stamp-collecting insights and news.

Linn's Stamp News is looking back at its five most-read stories of the week, according to reader metrics. 

Click the links to read the stories. Here they are, in reverse order:

5. Regency-Superior auction to offer Louisiana Purchase postal history and more: The upcoming St. Louis Stamp Expo will present a two-day auction of stamps, covers and collections by Regency-Superior.

4. The world recognized Leonard Nimoy on stamps: Nimoy, the actor who achieved worldwide recognition as the science officer Spock on the original Star Trek television series, died Feb. 27 at age 83.

3. USPS plans stamp for poet Maya Angelou: Angelou, who died just 10 months ago, will be honored with a forever stamp.

2. Say goodbye to the lick-and-stick U.S. stamp: The United States Postal Service has a plan to discontinue printing any U.S. perforated stamps made with lick-and-stick adhesive.

1. Yellow Hat stamp find in U.S. stamp mixture: postmarked pair on clipped envelope piece: Collector Joseph Monaco got a nice surprise a few years ago while looking through a mixture of used United States stamps.

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Editor's note: Metrics were measured between Friday, Feb. 27, and 9:12 a.m. ET Friday, March 6.