13450: Parker 51: rare pre-launch model in black with 1/10 14K gold filled cap in grouped parallel lines with monogrammed (CKB) cartouche, very early four-hole clutch; Blue Diamond clip, two-tone clutch ring, metal jewels appear to be silver, blind cap imprint is bold and lacks date code, aluminum Speedline filler has one ding on its side, shell has some tool marks (see details), condition of pen is otherwise excellent.

DATE: c. 1940 • CONDITION: fine • NIB: fine • $895

ORDER

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13513: Parker 51 demonstrator: rare first-year black double-jewel with clear hood, red collector, barrel marked "DEMONSTRATOR", metal Speedline filler, aluminum jewels, imprint on blind cap with 2nd quarter date code, smooth sterling silver cap with imprint at top, long clutch. Cap is clean, though with wear to the geometric decorative band, small patch of stress marks at end of barrel over filler where overtightened in the past (see detail; only apparent under magnification).

DATE: 1941 • CONDITION: VG* • NIB: fine • $850

ORDER

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11302: Parker 51: Cedar Blue first-year, smooth sterling silver cap with imprint at top, metal jewels appear to be silver rather than aluminum; good blind cap imprint with 2nd quarter date code, aluminum Speedline filler with diamond at end of plunger. Neatly cut oval depression on hood behind and in line with the nib appears to be an early form of nib position indicator, as later adopted for the 61, but whether factory or aftermarket cannot be determined. Name on barrel, a few pinhead dings to the cap, slight hood shrinkage.

DATE: 1941 • CONDITION: fine • NIB: fine • $785

ORDER

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10168: Parker 51 Club button: large metal pin back, 3.55 cm in diameter, given to Parker dealers as part of a sales contest promoting the initial release of the Parker 51; rare, and probably even less commonly seen than the sought-after contest award pens.

DATE: 1941 • CONDITION: fine-exc • $250

ORDER

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14140: Parker 51: wartime black Vac-filler with uncommon rhodium-plated coin silver cap, gold filled over silver Blue Diamond clip; good imprint with 2nd quarter date code.

DATE: 1943 • CONDITION: fine • NIB: medium • $175

ORDER

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14129: Parker 51 pencil: black with crisp 1/7.5 12K gold filled cap with fine parallel lines, 13.1 cm long, uses .9 mm lead.

DATE: c. 1945 • CONDITION: exc • $80

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13384: Parker 51 set: black Vac-filler with 1/10 16K gold filled cap, grouped parallel lines with geometric band, rectangular cartouche, two-tone clutch ring, sharp imprint with 4th quarter date code, 14K solid gold Blue Diamond clip; matching twist-action pencil uses .9 mm lead, also has solid gold clip but nozzle is gold filled. Pen cap shows more usage than pencil.

DATE: 1945 • CONDITION: fine • NIB: medium fine • $295

ORDER

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14094: Parker 51 pencil: black twist-action, Lustraloy cap, war-era gold filled over silver clip, uses .9 mm lead; excellent condition but for mark on upper barrel (see details).

DATE: c. 1945 • CONDITION: fine • $50

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14065: Parker 51 pencil: dark blue, Lustraloy cap, gold filled trim, 13 cm long, twist-action, uses .9mm lead.

DATE: c. 1946 • CONDITION: exc • $50

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13537: Parker 51 desk set: elegant midcentury modern ensemble with rare Red Band button-filler desk pen, sharp barrel imprint with 3rd quarter date code; original synthetic sac is shown in the photo but has been replaced, original sac will be included; base is hefty gold-finished metal, 12.5 cm by 11.3 cm, very clean with only light marks on the black center panel, labels on bottom perfect. "Magnetix" swiveling socket is a Moholy-Nagy design for Parker. Red Band 51s are extraordinarily hard to find, as they were recalled almost immediately upon release.

DATE: 1946 • CONDITION: exc-near mint • NIB: fine • $825

ORDER

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14050: Parker 51: dark blue Vac-filler, Lustraloy cap, gold filled clip with Blue Diamond; bold barrel imprint with 1st quarter date code, clean pen, a couple of pinprick marks to the cap, otherwise excellent.

DATE: 1946 • CONDITION: fine-exc • NIB: fine • $165

ORDER

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13855: Parker 51 demonstrator: transparent Vac-filler, USA production with good barrel imprint with 3rd quarter date code, 1/10 16K gold filled cap in grouped parallel lines pattern, clip however is distinctively Canadian with high Blue Diamond, box is also not USA; one stress line in blind cap (see detail).

DATE: 1947 • CONDITION: fine-exc • NIB: medium fine • $525

ORDER

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11754: Parker 51 Demi: uncommon Canadian-made cordovan vest-pocket Vac-filler, 12.2 cm long, frosty two-tone Lustraloy cap with polished rim, strong barrel imprint; this may be the first Canada production Vac-filling Demi that we have offered.

DATE: 1947 • CONDITION: exc • NIB: medium fine • $285

ORDER

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10860: Parker 51: unusual Canadian-made grey Vac-filler, fully marked, characteristic Blue Diamond clip with high placement of the Diamond, cap material is odd and appears to be rhodium plating over brass or cupronickel; no date code visible on barrel, but Canadian nib bears 1947 date.

DATE: 1947 • CONDITION: VG • NIB: medium fine • $285

ORDER

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12976: Parker 51 Demi set in box: dark blue Vac-filler with two-tone Lustraloy cap, 12.35 cm long, chrome plated trim, with matching twist-action .9 mm pencil; pen has bold barrel imprint with 4th quarter date code, clean but with slight clip mark on cap, name on barrel of pen but not pencil.

DATE: 1947 • CONDITION: fine-exc • NIB: medium • $185

ORDER

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13908: Parker 51 demonstrator: transparent Lucite Vac-filler, Lustraloy cap, chrome plated trim, clean barrel imprint with 4th quarter date code. These pens were not sold to the public, made for a brief period in 1947-48 for dealers, salesmen, and repairmen only.

DATE: 1947 • CONDITION: fine • NIB: medium fine • $565

ORDER

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13883: Parker 51 demonstrator: transparent Vac-filler, frosty two-tone Lustraloy cap, gold filled Blue Diamond clip, good barrel imprint with 3rd quarter date code; condition sound, noting scratches to interior from overaggressive cleaning of old diaphragm residue, fine stress marks on shell skirt (see details).

DATE: 1947 • CONDITION: fine • NIB: medium fine • $465

ORDER

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14072: Parker 51 Demi pencil: grey twist-action, 12.2 cm long, frosty Lustraloy cap with bright-polished rim band, chrome plated trim, uses .9 mm lead, matches Vac-filling Demi pen.

DATE: c. 1947 • CONDITION: exc-near mint • $60

ORDER

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13875: Parker 51 demonstrator: transparent Vac-filler with Lustraloy cap, gold filled Blue Diamond clip, barrel imprint has been largely polished away but 4th quarter date code clearly visible; one stress mark over diaphragm seat, does not affect function (see detail), blue ink residue inside pen has not been fully removed, cap jewel a bit rough.

DATE: 1948 • CONDITION: fine • NIB: fine • $485

ORDER

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14128: Parker 51 injector pencil: bungundy with 1/10 12K gold filled cap with converging lines pattern, 13.2 cm long, uses .9 mm lead, good imprint with 2nd quarter date code; some shallow scrape marks on the barrel (see details).

DATE: 1948 • CONDITION: VG-fine • $60

ORDER

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13872: Parker 51 demonstrator: very clean transparent Vac-filler, strong barrel imprint with 4th quarter date code, two-tone clutch ring, sterling silver cap, gold filled Blue Diamond clip; pristine barrel with perfectly preserved factory internal machining, a few tiny stress marks around the skirt of the shell (do not affect function).

DATE: 1948 • CONDITION: exc • NIB: fine • $595

ORDER

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14066: Parker 51 Demi injector pencil: burgundy with frosty two-tone Lustraloy cap, chrome plated trim, 12 cm long, good imprint with 3rd quarter date code, uses .9 mm lead.

DATE: 1950 • CONDITION: exc • $70

ORDER

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12984: Parker 51 Demi Princess: extremely rare gold filled Aerometric filler, 12.5 cm long, with faceted "jewels" set into the ends and around the upper cap; shallow bumps to side of cap, otherwise excellent.

DATE: c. 1950 • CONDITION: fine • NIB: fine • $2250

ORDER

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14063: Parker 51 injector pencil: clean example in grey, frosty Lustraloy cap with polished rim band, chrome plated trim, 13.2 cm long, crisp imprint with 3rd quarter date code, uses .9 mm lead.

DATE: 1951 • CONDITION: near mint • $65

ORDER

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13850: Parker 51 Demi Special set: grey Aerometric filler with polished stainless steel cap, black jewel, with matching .9 mm twist-action pencil. Both pen and pencil are imprinted with the same name; pencil bears late "53" date code, barrel color appears to be the pre-Aerometric grey, differing from the pen's. Pen nib is gold, not Octanium, new sac has been installed.

DATE: c. 1953 • CONDITION: exc • NIB: extra-fine • $165

ORDER

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13824: Parker 51 Demi Special set in box: Forest Green Aerometric filler with polished stainless steel cap, chrome plated trim, Octanium nib, black cap jewel; with matching .9 mm twist-action pencil, both new old stock with stickers, pencil has 3rd quarter 1953 date code, instruction sheet dated 1955.

DATE: c. 1953 • CONDITION: mint • NIB: fine • $220

ORDER

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13818: Parker 51 set in box: Forest Green Aerometric filler with 1/10 12K gold filled cap, converging lines pattern, with matching Liquid Lead pencil (pencil refills no longer available); new old stock, mint with stickers, instruction sheet dated 1955. Pen cap is pristine, minor surface pitting to bottom of pencil cap (see detail).

DATE: c. 1955 • CONDITION: mint/excellent • NIB: fine • $265

ORDER

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5828: Parker 51 pencil lead refills: 12 leads in a stoppered glass tube, 8 cm long, made in England, label reads "for Parker '51'/ROTARY PENCIL", with Parker "halo" mark; many available, all "B" hardness.

DATE: c. 1964 • CONDITION: mint • $6

ORDER

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8424: Parker 51 Mark III: late black Aerometric filler, South American production, barrel with Parker numbers indicating either a prototype or an archived sample; Lustraloy cap with unusual top button, fully imprinted, made in Brazil, filler housing made in Argentina. Octanium nib, two inlaid metal dots in hood.

DATE: c. 1970 • CONDITION: near mint • NIB: medium fine • $350

ORDER

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13914: Parker/Kullock 51 demonstrator: a customized transparent pen using modern acrylic with Parker parts from the 1940s; 13.8 cm long, chrome plated trim, modern metal clip jewel, nib is from a Parker 61.

DATE: c. 2000/1948 • CONDITION: fine-exc • NIB: fine • $250

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