Maine, 1916. Item #96-9798
8 x 10, black & gilt dec certificate with nice eagle vignette and large gilt seal, filled in, SIGNED BY COMPANY FOUNDER SIMON LAKE AS VICE PRESIDENT, also signed by Asst. Treasurer. Certificate has pinholes, a couple shallow wrinkles at top else vg. Lake is credited as the inventor of the periscope, ballast tanks and many other submarine innovations.