The United States Postal Service has released a slew of new stamps for 2019, one of which pays tribute to U.S. military working dogs.
Each stamp features one of four breeds that commonly serve in America's armed forces - German shepherd, Labrador retriever, Belgian Malinois and the Dutch shepherd.
The stamps are colored red, white, blue and gold to symbolize the American flag and patriotism.
Other new stamps include a star ribbon, tennis champion Maureen Connolly Brinker, artist Ellsworth Kelly and the 150th anniversary of the completion of the transcontinental railroad.
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