This is a Sheaffer Snorkel Valiant Black c. 1952-1959. Black was one of the original Snorkel colors introduced in 1952. The Valiant has a Triumph two-tone palladium plated 14 karat gold nib, a plastic cap and barrel, a gold-filled clip and a 3/8" wide gold-filled cap band. Colors produced were black, burgundy, pastel gray, pastel blue (or aqua), pastel green, peacock blue, buckskin tan, mandarin orange, fiesta red, and sage green. The 5 1/2 inch long Snorkel Valiant has a medium nib and sold for $19.75 and the matching pencil, $7.25.