The Central Bank of Ireland has issued a Proof 2014 .925 fine silver €15 coin commemorating Irish-American John Philip Holland, inventor of the first modern U.S. submarine.

USS Holland (SS-1) was the United States Navy’s first modern commissioned submarine, and is named for its inventor. The boat was originally named Holland VI, and launched on May 17, 1897. The submarine was officially commissioned by the U.S. Navy on Oct. 12, 1900, at Newport, R.I. Holland’s design was the first to combine an electric motor for submerged travel and an internal combustion engine for use on the surface. Holland also created the first Royal Navy submarine, the Holland 1.

The coin, released Sept. 2, is the first in the Irish Science and Inventions coin series.

The obverse bears the traditional Irish harp design.

The reverse was designed by Mary Gregoriy and features the inventor’s hand poised to complete a technical drawing of the USS Holland, complete with a decorative nautilus spiral.