Top notch craftsmanship over original Parker aerometric barrel. Another uncommon but not rare variant, however, is a chrome-plated Blue Diamond clip. These sacs are still going strong after almost 60 years and one seldom finds a bad one. Comes in original more unusual cardboard box in near mint condition, almost impossible to find in this shape. There is no lined pattern, the surface is smooth. Clean caps with no dents or dings. Near mint pen with perfect, crisp cap with no dents or dings.
Nice set with clean caps and no dents or dings. All correct with high imprints, all aluminum jewels, speedline filler and razor sharp blindcap imprint. Cap shows well, but has some minor dings. In addition, the clips are plated over a brass base and are die struck, resulting in a negative image on the back. Finish is a factory applied patina and there are a few minor blemishes in the coating which sort of complement the patina rather than diminishing it. The outside of the ink sac is then coated in 100% pure pharmaceutical grade talc to reduce friction with the sac guard. The connector the black part between the ink collector and sac guard has been carefully inspected and the threads chased by hand to remove any residual adhesive, ensuring an exact fit upon reassembly.
Near mint set, perfect in every way. It has the earlier plastic filling unit. Excellent cap with no dents or dings. Fine gold nib - i can't tell if this is 14K - as I pointed out above, thes can't be taken apart because they are glued together - and 12K gold filled cap and green barrel. Her name and parent's names are in one of the photos below, in her own hand. The pen has the classic cigar shape to it,with a round,tapering edge at the base.
Probably an experiment by Parker, maybe given to employees to test. Not an easy pencil to find. . All aluminum jewels on pen and pencil. It starts quickly and doesn't skip.
All correct cap with high imprint. It comes in a folding 273 box in extremely good condition. To buy please email Be sure and provide a shipping address so shipping costs can be quoted. Most of the rest of the parts are by Parker with the addition of a newly manufactured brass vac filling unit. Cap shows wear but no dents or dings. Given how these vintage pens are reassembled, it is impossible after write-testing to again fully disassemble them and remove every last trace of ink.
There is a small hole at the extreme back end of the barrel. Ultra smooth and capable of writing some nice thick broad lines. Clean cap with no dents or dings. Parker also manufactured 51s in Canada and England, and later in Argentina. Some teethmarks to blindcap and barrel. This has to be one of the last Vac 51s made, and it wasn't used. After write-testing and adjustment, the pen has been fully cleaned and rinsed with luke-warm water.
That's about average for a Demi. Insured shipping will be more. Use dry writing Superchrome ink. It was in most aspects a re-designed button filler. It is also among the most reliable. Just rest assured and be comfortable that this is a natural side effect of write-testing and adjusting a vintage fountain pen after a complete restoration and service. Aerometric fountain pen and cap actuated push repeater pencil.
Also, the caps are a frosty Lustraloy rather than the polished chrome looking nes typical of Special caps. The new Arrow clip was made in gold filled and chrome plated versions. The nib slit has been carefully chased with an appropriately sized brass and plastic shim to remove any debris and the tines have been adjusted for proper ink flow and alignment using a 10x loupe. No personalization on the barrel or cap. Clean caps with no dents or dings. It is completely devoid of any markings.
Very, very near mint condition in an extremely clean presentation box 244. In addition, one frequently finds Blue Diamond clips of the era with no traces what-so-ever of blue enamel in the diamond area. Sterling silver and coin silver caps were also available, but were discontinued before the introduction of the simplified arrow clip and Aerometric filler. No date imprint but pen barrel has a blue diamond which was only done on early deskpens. Caps are crisp and clean with no dents, dings or engravings.
Nice, complete imprint on blindcap. Pen box included with this pen, hard shell type with leather wrapping in its exterior. Pencil is liquid lead and is mint. No dents or dings on the cap, no scratches on the acrylic. See below for more details on the different variations of the 51. With un-flawed Lustraloy caps and Chrome trim. Near mint set with little use.