Re: Help , dating Parker 51 pen

This had the aerometric filling system but in the manner of the Demi "51" with a U-shaped pressure bar. The big difference was that it sported an octanium eight metal alloy nib rather than one made of gold and it came with a shiny chrome cap only the Standard Parker "51" were made in a matte chrome design. The cap jewel or clip screw, was made in black while the Standard had a pearl coloured plastic The "51" Special initially came in four colours, Green being a later fifth addition to the line.

Black Grey Burgundy Blue Green. In the ink Superchrome engraving on the metal filler sleeve with filling instructions was replaced with Parker ink. In Introduced the Parker "51" Insignia but this was really only a renamed Signet. The filling system was instead moved to the Parker 45, introduced in Also in Parker stopped imprinting the the year of making on the nib and body on European made and Canadian? The same year the additional logo with the arrow through a circle was added to the cap, aka the "halo" logo, while the Demi Parker "51" was discontinued.

Parker Penography: PARKER 51

Cap screw now in metal, section ring wider again. In Parker launched a retro model, the Parker "51" Special Edition in one of its rarest finishes, the Empire State Building etched cap. Read more about the great "51" in David and Mark Shepherds book "Parker 51". Maybe the most sought for caps of the Parker "51", the Empire State in solid two-tone gold.

Date coding a Parker 51

Perhaps rarer than the above caps are the "Fish Scale" caps in Solid gold. A fantastic collection of double-jewelled Vacumatic filler Parker "51" 's" with rare caps. The three bottom ones being the rarest colours. Click on the image for a larger view! Please donate to help me keep this site online. Which model is my pen? Parker Premier MK I. The Parker "51" took eleven years to develope but Parker sold over 20 million pens during more than 30 years! Parker spent the same amount in dollars to promote the pen, but in reached million dollars in sales.

A pretty good investment, eh? It was named the Parker "51" because Parker felt that they needed a name that wouldn't be hard to pronounce in any country and also easy to remember. Also at this time Route 51 was built through Janesville and it is quite probable that this also was a reason for the the name. Furthermore It also came out of research in , the 51'st anniversary for the Parker Pen Company.

The Parker "51" Mark II is probably the most functional fountain pen ever made. It never leaks, always works and never breaks, well almost It also, in my humble opinion, is one of the nicest pen designs ever made. It was the first pen that had the nib under a hood, the thought behind this was not to let the ink have a chance of drying on the way from the ink reservoir to the paper. The hooded nib prolonged this unavoidable thing. To achieve this Parker also had to redesign the nib, a pen part that had looked roughly the same for centuries.

The new gold nib that was to fit inside the hood was tubular and rather rigid. The body was designed to look like a jet-fighter from the side without the wings, of course and the material used Lucite was the same that some wartime planes had in their nose-cones. These pens had some distinct features.

Most, but not all, had an aluminium filler with a diamond shaped imprint on the brass button, others came with the plastic filler. Also the one-lined date code was situated at the end of the blind cap. This imprint was moved up towards the body clutch ring at the end of , from the imprint was in double lines.


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There are however today reproduction jewels available in aluminium, so this feature alone is not a guarantee that the pen is a First Year. Furthermore these pens were fitted with clips that had a larger blue diamond than subsequent pens and if the clip is removed the Parker imprint is visible in reverse on the back, on accont of a different manufacturing method. Inside the cap the clutch is also longer. It's not uncommon for the First Year pens to differ in the colour shades from pens later produced.

The Mark I Parker "51" came in seven colours: It was in most aspects a re-designed button filler. It was fitted with red threads by the filler and it was also advertised as the Red band "51", as opposed to the Black band "51", which had the ordinary Vacumatic filler. The early red threads were made from plastic, while later versions had threads made from aluminium.

Red band desk pens are more common than pocket pens. The Red band Parker "51" was very hard to repair and it was discontinued already in , making it much sought for by collectors. The Demi was made in three different types. MKI was a Vacumatic filler, this model was in all aspects identical to the standard Parker "51" but with a shorter barrel and cap. There were no double jewelled Demis produced either.


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  7. Nor were any Demis made in the UK. The Vacumatic Demis were offered with either Lustraloy or Custom caps and were produced in four colours: The first, MKII-A had the transitional clip and the filler instruction engraving included "Press ribbed bar 6 times.

    There were two types of filler sleeves see below one was made of aluminium, the other of chrome-plated steel. Also the barrel threads were extended raised. The second MKII-B model was made from and on, had a shorter clip and the filling instruction read: A rubber O-ring was fitted by the threads under the hood joint and the barrel threads were indented.

    There are no O-rings on the vacumatic fillers.

    These sacs were also in a see through material which allowed one to see how much ink that was left in the pen. The sac was encapsuled inside a metal tube on which a metal pressure bar was mounted. To reveal this filling mechanism one had to unscrew the entire body cover from the section ring and back.

    The MKII Demis had chrome-plated aluminium fillers identical to the larger verisions with the imprint "To fill press ribbed bar firmly 6 times. Use dry-writing Superchrome ink. The imprint on the filler now read "To fill press ribbed bar four times. June 30th, 3. Drop of a Hat. Help , dating Parker 51 pen I've got two 21s, beautiful workhorses of a bygone era. Dedicated to the pink tiger stripe and the man behind it. Sponsored Links Remove Advertisements.

    Where Are The Date Codes On A Parker 51?

    June 30th, 4. Help , dating Parker 51 pen The Parker 21 made in the'50s was the baby brother to the June 30th, 5. July 1st, 6. Help , dating Parker 51 pen Check the barrel of the pen near the silver trim ring. There should be a very tiny marking with several dots shortly after. The number indictates the year it was made and the dots indicate which quarter of the particular year it was created. Here is a thread with a bit more info on the matter: Production Dating The number may be very faint and tough to see without good eyes so you may need a magnifying glass.

    July 2nd, 7. Help , dating Parker 51 pen It will have been manufactured after the end of 51 Vacumatic production, earliest likely date being late