Own 3 Commemoratives from 1973 Progress in Electronics Set
Document the evolution of technology with these three Progress in Electronics stamps. Issued in 1973, they features several inventions that were crucial to the electronics we have today. Each stamp was created using a combination of lithography and engraving, making them especially nice to display. The items featured on these stamps are important pieces of history that you'll want to have in your collection. So order today.