Spain and Algeria celebrate 2019 as the International Year of the Periodic Table of Chemical Elements; Israel commemorates a program called "Science Oriented Youth."

A new set of 15 stamps depicting popular Marvel superheroes will be issued March 14 by Great Britain’s Royal Mail.

Each year, PostEurop, the Association of European Public Postal Operators, selects a theme for the multination Europa series. As announced in the July 10, 2017, issue of Linn’s, the theme for 2019 is birds.

A new engraved stamp from Monaco marks the 100th anniversary of United States’ troops convalescing in Monaco.

Also this week, a Priority Mail stamp is used to mail flu kits, and how the longest-running first-day cover cachet line continues to thrive.

Canada Post’s two new permanent-rate stamps in its popular Spring Flowers series picture cape jasmine gardenias.

Great Britain’s Royal Mail remembers the 500th anniversary of da Vinci’s death in this 12-stamp issue released Feb. 13.

Also this week, a Kitchen Table Philately review of stamps 1940s and older, and an India share transfer stamp.

The lifelong collector of stamps and postal history and former president of the Royal Philatelic Society London will receive the 2019 Alfred F. Lichtenstein memorial award for distinguished service to philately on May 8.

The commemorative salutes Albert Jackson, the nation’s first black postal carrier.

It’s time to start organizing your rail collection.

The United Nations Postal Administration says hello in more than 40 languages on its upcoming stamp issue for International Mother Language Day.

The new stamp honors Almeria as the 2019 Spanish capital of gastronomy.

The organizers of World Stamp Show-NY 2016 have donated the show’s remaining assets and leftover funds — more than $635,000 — to other philatelic organizations.

In 2015, Croatia printed a commemorative stamp that was supposed to honor composer Luka Sorkocevic but instead showed Thomas Jefferson.

Also in this issue, jet packs and collecting airmail labeled “Not in air mail.”

How do you maximize the return on the duplicates residing in your collection?

The 11th issue in Canada Post’s current 12-year Lunar New Year series is based on the story of Zhu Bajie, a colorful character from the 16th-century Chinese novel Journey to the West.

The issue is part of the Australia Post Legends Awards series honoring the accomplishments of living Australians.

A closely cropped image of the face of Queen Elizabeth II framed by her purple hat brim and jacket appear on a new stamp issued Jan. 14.