Ukraine’s post office, Ukrposhta, has announced that May 23 is the issue date for two stamps commemorating the sinking of the Russian warship Moskva.

The Endangered Whales stamps were issued in a booklet of 10 with two stamps of each design and in a souvenir sheet with the five different designs se-tenant.

Canada Post revealed the design of the semipostal stamp in a surprise announcement on May 19.

The stamps were never issued and used, but a few examples exist with forged or favor cancels.

The cachet on the left side of each envelope features all or part of a work of art located at the respective U.N. office.

The new-issue agency Inter-Governmental Philatelic Corp. announced the souvenir sheet in a May 5 press release.

Bicycles being used in a variety of ways make up the designs of the 10 stamps.

Also this week, an introduction to plating Swiss stamps, and flight covers celebrating rockets launched from planes for space missions.

For the new stamp design, the original artwork was modified to remove the battleship, which Ukrainians sunk on April 14.

Compared to the genuine stamps, the design details of the fakes are noticeably grainy and much less distinct.

Also this week, fads and trends in first-day covers, and a favorable review of a sample of worldwide stamps from more than 30 countries.

A set of 14 brightly colored pictorial stamps issued April 1, 1948, adds appeal to a variety of collection types.

A contest will be held to select the common design to be used by all participating nations.

Compensation will depend on experience and a number of other variables.

Extensive reviews of Canada, China and Finland were conducted with thousands of value changes made.

The Unsung Heroes: Women of WWII issue presents 10 nondenominated stamps valued at the first-class rate. Additionally, four stamps appear on a souvenir sheet.

Also this week, an exploration of Pan American Airways Africa and Foreign Air Mail route No. 22 during World War II, and a look at a fascinating philatelic chapter in the histories of Oxford and Cambridge.

The stamps showcase three recent missions to destinations on and around the Red Planet by the United States, United Arab Emirates and China.

The 2022 Crawford medal winner will be announced June 29, at the end of the newly inaugurated Crawford Festival.

Two stamps showing photographs that capture the colors of autumn topped the popularity poll to select Finland’s most beautiful stamp of 2021.