SS William Clark with a color portrait cachet and pictorial postmark from Gobles, MI dated April 24, 2021.

See the pair's web pages for the details of their personal lives, equipment, boats, guides, Native-Americans they met, and route covered between 1803 and 1805 as they explored the western river route to the Pacific Ocean. Cover franked with 37 cent William Clark stamp # 3856. Also see cover for Lewis and their guide Sacajawea.

The Liberty Ship named in his honor was built in Portland, Oregon and delivered on Feb 3, 1942. Unfortunately, the ship was sunk in the North Atlantic on Nov 4, 1942 by German U-Boat U-354.

See the web pages for the details of her design, construction and service history.

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