Product Description
Type Fountain pen with a squeeze "Aerometric" filling system.
Product Name Parker 51 Mark IV, different from the Mark III because it has a metal cap jewel that protrudes more than the Mark III pearlescent jewels. Sometimes called the second version of the Mark III.
Manufacturer and Year Parker, made in USA – After 1973 (1973 is when the metal cap jewels were officially adopted).
Length Full size, 5-5/16".
Filling System Aerometric squeeze filling system. We've tested it and it's working very well.
Color Navy blue body with a 1/10 12k gold filled cap in a pattern of groups of 6 lines with a long arrow clip and a gold plated cap jewel. The cap jewel is part of the clip and tassie.
Nib MEDIUM gold nib is smooth with good tipping remaining. There is a tiny chip in the feed but it will not affect writing.
Condition Excellent condition. The sac is clear and unstained. There is one scratch on the barrel just above the cap line. It is probably from the cap lip. There's some very light scratching on the section and additional cap marks on the barrel. The cap has plating wear all over the clip piece of metal but not on the rest of the cap. No cracks, chips, dents, or personalization. The imprints are clear. It's working very well.