Famous American Series 1940 Science Sheet Block Set US Commemorative Stamps Page

The product is a Famous American Series 1940 Science Sheet Block Set of US Commemorative Stamps. This set includes stamps with a denomination of 1 cent, issued between 1931-1940 in the United States. The stamps feature a military and war-related topic in green color, and are of used quality without any cancellations or certifications. This collection is perfect for collectors interested in unused stamps from the early 20th century.