U.S. STAMPS & POSTAL HISTORY
US Stamps
Answering the question of how to identify flat plate and rotary stamps
Apr 27, 2021, 10 AM
Which of these ½¢ stamps is the flat plate product and which is the rotary press product? Here is a hint: The stamp design on the right is slightly taller.
Additional ways to tell flat and rotary stamps apart include different perforation measurements for each, and distinctive plate numbers. The plate
number 20923 on this 1940 postcard is from a rotary plate.
Previous
Next
MORE RELATED ARTICLES
Headlines
-
US Stamps
Jul 10, 2025, 6 PMUSPS pair commemorates Boston 2026 at Aug.14 ceremony
-
World Stamps
Jul 10, 2025, 4 PMUpdated exhibition regulations for Boston 2026
-
World Stamps
Jul 10, 2025, 1 PMRoyal Philatelic Society London announces award recipients
-
US Stamps
Jul 9, 2025, 4 PMStamp show July 26-27 in Reno, Nevada
