Three new stamps in a pane of 18 mark the 150th anniversary of the completion of the transcontinental railroad, a massive engineering feat that reduced travel time across the country from as much as 6 months to about 1 week and made the American West an integral part of the nation. Two different stamps feature the Jupiter and the No. 119 locomotives that powered the trains carrying the officers and guests of two train companies to the “Golden Spike Ceremony,” which was held when the two rail lines were joined at Promontory Summit in Utah. A third stamp portrays the famous golden spike that was a prominent part of the ceremony.

Union Pacific 119 was a freight locomotive built in 1868 by Rogers Locomotive and Machine works in New Jersey. The locomotive, like Central Pacific's Jupiter, achieved fame when it completed the "Golden Spike Run" heading west. However, like Jupiter 119, it was not the locomotive intended to complete the run and was put on the front of the train as the original locomotive couldn't be brought across the damaged Devil’s Gate Bridge.

This locomotive led a similar life to Jupiter in that after the Golden Spike run it returned to life as a freight locomotive. Sadly, like that of Jupiter, its historical significance was not realized until long after it's scrapping in 1903