For your consideration, we are offering for sale this Restored Circa 1917 Parker 28 1/2 Jack Knife Safety Fountain Pen in Black Chased Hard Rubber. This fountain pen has been thoroughly taken apart, cleaned and put back together and now is in wonderful writing condition.

The significance of this particular Parker 28 1/2 Jack Knife Safety Fountain Pen, for those who do not know, was the second-largest pen Parker made - the Largest was the Parker Giant. In addition, these considered one of the "holy grail" fountain pens for Parker collectors that rarely come up for sale.

The fountain pen cap, barrel, and blind cap are in very fine to excellent condition. The Cap has more crisp chasing than the barrel. The cap and barrel do not display any cracks or repairs. The cap has an imprint that reads, "JACK KNIFE SAFETY PAT. JUNE 4, 1912". The Cap has a Parker Clip with PAT SEP 5 - 16 stamped - the gold-filled plating is nearly all washed. The barrel does display some wear on the imprint and is stamped with, "GEO. S. PARKER FOUNTAIN PEN JANESVILLE WIS. U.S.A. LUCKY CURVE PAT JAN 03-05. APR. 11-05 APR. 25-12 JUN. 4-12". The blind cap has the appropriately marked 28 1/2 imprint. There is a very faint personalization to the barrel that reads, "J. E. Weaver" but you will need magnification to find and read it do to being so light. The cap and barrel display absolutely wonderful deep black color. This Parker 28 1/2 is Parker's second-largest pen and it measures 5 3/4" capped and 7" posted.

I have added a new rubber sac to this Parker 28 1/2. This Parker 28 1/2 has a Button Filler mechanism and has been tested with water and fills as it should. The filling unit operates as it was originally intended to.

The Parker Lucky Curve #8 NIB is 14K and stamped, "PARKER LUCKY CURVE PEN 8". The actual writing portion (iridium tip) of the 14K Parker NIB has a medium/broad point measuring roughly .89mm when measured with digital calipers. When writing a sample with this NIB, it writes with a broad to triple broad stroke/line. In the writing sample provided, the broad line measures at 1.01mm and the triple broad line measures at 2.08mm with medium to firm pressure when measured with digital calipers. The writing sample was done with the actual pen in the images that are listed for sale. The writing sample was used by dipping the NIB in Parker Quink Blue Ink.

Any specks of white in the images are from the cotton that I used to clean the barrel and cap.

This is Parker Duofold is of simple design, yet, very significant due to the rare 28 size of the fountain pen. I would consider the condition of this Parker Duofold to be in Very Fine to Excellent condition considering it is over 100 years old. It is a very clean pen and spectacular writing collectible - certainly, a significant fountain pen that would make for a "holy grail" addition to one's writing arsenal collection.

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