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I purchased these Star Trek covers from a large estate collection in the Washington, DC area.

Shipping: I am not able to ship outside the US. I will ship in a stiff 6" by 8" photo mailer. Thanks for looking.

From USPS:

WASHINGTON — Nearly 50 years to the day of the original airing of “Star Trek,” the U.S. Postal Service dedicated the Star Trek Forever stamps today at New York City’s Jacob K. Javits Convention Center. The first-day-of-issue ceremony launched Star Trek: Mission New York, a three-day celebration that is expected to draw thousands of Star Trek fans.

The stamps...showcase four digital illustrations inspired by classic elements of the television program:

The Starship Enterprise inside the outline of a Starfleet insignia against a gold background;
The silhouette of a crewman in a transporter against a red background;
The silhouette of the Enterprise from above against a green background; and,
The Enterprise inside the outline of the Vulcan salute (Spock’s iconic hand gesture) against a blue background.

The words “SPACE… THE FINAL FRONTIER,” from Captain Kirk’s famous voice-over appears beneath the stamps against a background of stars. The stamp images were created by the design firm Heads of State of Philadelphia, PA, under the art direction of Antonio Alcalá of Alexandria, VA.