Skip to main content
The Postal Store®

Flag

First Day of Issue Date: May 18, 1990

First Day of Issue Location: TBA

About This Stamp

The 1990 Flag stamps were made of a specially formulated polyester film. The panes of 12 were printed the same size and shape as a dollar bill, so that they could be dispensed from Automated Teller Machines (ATMs).

First Day of Issue Ceremony

First Day of Issue Date: May 18, 1990
First Day of Issue Location: TBA

Collect all six issuances from the 2026 World Expo

Browse the Boston 2026 World Stamp Show Keepsake!