This is a Sheaffer Snorkel Statesman in Mandarin Orange c. 1957-1959. Mandarin Orange was one of the new Snorkel colors introduced in 1957 and pens of this color do not have matching color sections, but black, as shown. The Statesman has a Triumph palladium-silver alloy nib (may be hallmarked PdAg), plastic cap and barrel, gold-filled clip and 3/8" wide gold-filled cap band. Note that this pen has a barrel imprint. Colors produced were black, burgundy, pastel gray, pastel blue (or aqua), pastel green, peacock blue, buckskin tan, mandarin orange, fiesta red, and sage green. In 1956, the Snorkel Statesman sold for US $15.50 and with a matching pencil, US $22.75.