The Parker “51” commonly referred to as a “First Year” pen is really a pen from late 1940 through 1941. They can be easily distinguished from later production by several unique characteristics.

Color Mustard - a brownish yellow. 1/8 14k gold-filled cap with a pattern of parallel lines. Two pearlescent jewels, one at either end. Nib Medium 14k nib is smooth with nice tipping. …

PARKER “51” Aerometric in orange and black hard rubber hood and barrel made by craftsman Ariel Kullock with original Parker cap and parts. Perfect cap with no dents or dings.

In late 1947 Parker in Newhaven, UK, started to produce Vacumatic filler Parker "51"'s, although no double jewelled pens were offered and the pens only came in the colours of India Black, …

Parker #51 - Yellowstone "Mustard Yellow" Barrel - Double End Jewels - Gold Filled Cap - Vacumatic Fill - Fine Nib - Strong Barrel Imprint/Date Code "5" - 1945 - Near Mint - $695

Mustard yellow body, Sterling cap with a pattern of close lines. The end jewels are pearlescent. (For the best depiction of the color, see the close-ups below of the clutch ring.) Fine 14 k nib, …

Parker 51 fountain pen and propelling pencil, mustard yellow, with custom silver caps decorated with repoussé flower and vine patterns highlighted in gold, with gold-plated clips and …

This Parker 51 Pencil is in Excellent Condition with no nicks, chips, cracks, or repairs. A tough acquisition pencil addition to complete your Parker 51 Yellowstone set or just add to your …

1947 Parker 51 Vacumatic Pen and Pencil set. Mustard with 14K Empire State caps. 14K solid god trim. Double jewels. Full size (5 3/8”) pen. Two tone clutch ring with gold wash centre …

Color Mustard yellow body. Cap is 1/10 16k gold-filled, with a pattern of grouped parallel lines and a cartouche for engraving. The pen has two pearlescent jewels, and the pencil has a …