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U.S. Postal Service celebrates 250th anniversary with new stamps and contest. Here's what to know.

The United States Postal Service is celebrating its 250th anniversary Saturday with the Encore Stamp Contest and two new stamp designs. The Encore Stamp Contest allows participants to vote for one ...
Times of San Diego

U.S. Postal Service celebrates 250 years

The United States Postal Service celebrated its 250th anniversary on Sunday and released some special stamps commemorating the milestone. The Postal Service released a pane of 20 interconnected stamps ...