What do these Scott numbers signify? In short, each stamp’s listing in an upcoming edition of the 2023 Scott catalogs.

Highlights include a bourse of more than 75 dealers from the United States and overseas offering stamps, postal history and supplies and more than 800 frames of competitive exhibits.

Also this week, a colorful introduction to Switzerland’s 1933-42 Folk Costumes series, and France’s “Imaginary Museum” series adds a new art wing.

The telescope is as tall as a three-story building and contains a 21-foot-wide lens protected by a solar shield the size of a tennis court.

All of the newspaper stamps are large and colorful with great eye appeal. The 1895-97 set of 12 was the last set issued.

The nondenominated (60¢) Elephants commemorative forever stamp will be issued in double-sided panes of 20 in a quantity of 175 million stamps.

Entries with a touch of humor or irony stand the best chance of winning the contest.

The posters drew attention to criminals who had managed to elude the bureau’s agents long enough to get this special treatment.

The production mistake occurs on the stamp shown here honoring Stan Laurel and Oliver Hardy.

Also this week, a tale of confusion about two U.S. stamps with almost identical designs, and Linn’s readers solve a postal rate mystery surrounding a fourth-class card used to mail a motion picture.

The corrected certificate came to the attention of Linn’s Stamp News in mid-June.

Postal Service art director Greg Breeding of Charlottesville, Va., designed the stamps using existing photographs.

While counterfeit stamps are out there, collectors can still be vigilant when purchasing forever stamps.

The Postal Service first announced the Go Beyond: Buzz Lightyear stamps in a surprise unveiling at the June 8 red-carpet premiere of Disney and Pixar’s Lightyear movie.

Neither stamp has any other hint that would make its origin obvious.

While in the military and writing home, Carlson added intricate designs to his envelopes.

Errors and varieties are unavoidable waste products of any printing operation, and the United States has had its share.

Also this week, a look at using computer programs to make album pages, and a review of a $3 packet of mint, never-hinged stamps from 20 different countries.

The winner of the best nonphilatelic line, shown here, is Gilbert Schaye of New York City.

The earlier printings were in dull carmine, a dark reddish color. The later printings were in bright scarlet.