American cartoonist (1876-1962) who won two Pulitzer Prizes and was an important figure in the 20th century conservation movement as a founder of the National Wildlife Federation. Desirable triple fountain pen signature, "J. N. Ding, Most sincerely, J. N. Darling, alias J. N. Ding,” on an off-white 6 x 6.75 sheet. In fine condition, with light show-through at the corners from old mounting remnants on the back. Encapsulated in a PSA/DNA authentication holder.
