Canal Zone Postage Due Overprint

Canal Zone · 1925 · 1¢, 2¢

A block of four U.S. postage due stamps from the 1922-1925 series, overprinted with 'CANAL ZONE' in black. The stamps show denominations of 1 cent and 2 cents.

These stamps were issued for use in the U.S. Canal Zone, a territory administered by the United States in Panama, indicating postage due for mail within or passing through the zone.