This is a Sheaffer Snorkel Special in Burgundy c. 1956-1959. The Special was a new entry-level model below the Admiral. It featured an open palladium silver nib, plastic cap and barrel, gold-filled clip stamped "SHEAFFER'S", and 1/4" wide gold-filled cap band. It was introduced prior to the new colors launched in 1957 as the colors were black, burgundy, pastel gray, pastel blue (or aqua), and pastel green. The Snorkel Special pen sold for US $7.95 in 1956 and the pen and pencil set sold for $13.95.