Military working dogs are getting their own U.S. Postal Service Stamps.

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The Forever Stamps, designed by art director Greg Breeding and created by DKNG Studios, will honor the dogs in a new 20-stamp booklet.

Related: Postage hike: Price of stamps, shipping to go up in 2019

According to a news release from USPS, each four-stamp block will have one stamp each of a German shepherd, Labrador retriever, Belgian Malinois and Dutch shepherd.

Military working dogs are among the new stamps introduced for 2019 by the U.S. Postal Service.

Credit: U.S. Postal Service

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Credit: U.S. Postal Service

Also in the 2019 stamp lineup is a Forever Stamp honoring tennis champion Maureen Connolly Brinker, who in 1953 became the first woman to win all four major tennis tournaments in a calendar year. Other stamps honor artist Ellsworth Kelly and mark the 150th anniversary of the transcontinental railroad.

WTSP reported that a booklet of stamps will cost $11, based on the 5-cent increase in the price of stamps.