United States Pitney Bowes Model M Meter Stamp (Type IA3f)

United States · 1920 · Variable (applied by machine)

This listing refers to a United States meter stamp, specifically type IA3f, which is associated with the early Pitney Bowes Model M machine. The design typically features 'U.S. POSTAGE PAID' with a variable value printed by the metering device, often within a rectangular or oval frame.

Meter stamps revolutionized business mail in the early 20th century, allowing companies to print postage directly onto envelopes, streamlining bulk mailing processes and providing an alternative to traditional adhesive stamps.