Arthur C. Nygren
Resident of San Francisco (1916). Inaugural vice-president of Pacific Coast Numismatic Society in 1915. Never married. He died in Ohio.
One collection was sold at auction by B. Max Mehl November 30, 1914. Another was sold by Henry Chapman April 29, 1924.
obit: NUM 36 Oct 1923 page 500Source credit: Pete Smith, American Numismatic Biographies