United States Meter Stamp Type IA3g

United States · 1925 · 5 CENTS

A circular meter stamp design featuring 'U.S. POSTAGE PAID' at the top and '5 CENTS' at the bottom, separated by a wavy line, with a central area for a meter number.

Meter stamps like this revolutionized mail processing by allowing businesses to print postage directly onto envelopes, improving efficiency. This type represents an early form of postal mechanization in the U.S.