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. British stamps remember the 200th anniversary of the Battle of Waterloo: The battle ended more than two decades of conflict in Europe and “essentially saw the birth of modern Europe.” 

4. Harmers International to conduct spring auction June 6 at Collectors Club in New York City: The sale will offer United States, British Commonwealth and worldwide stamps and covers, collections, and a large selection of philatelic forgeries.

3. 'Pyramid' of very personal postcards headed to Smithsonian: PostSecret's voluminous collection of postcards is headed to Washington, D.C. 

2. Modern U.S. Mail: Why were some postage due stamps “VOIDED” on U.S. mail?: Historically, postage due stamps on mail were used when unpaid postage was collected from an addressee.

1. Fake stamp for gyrocopter pilot riles Washington: The stamp had a profile of the 61-year-old Douglas Hughes and the tiny gyrocopter he flew onto the U.S. Capitol grounds April 15.

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Editor's note: Metrics were measured between Friday, May 22, and 11:04 a.m. ET Friday, May 29.