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

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15590: Parker 51 pencil: black Heirloom model, 1/10 16K gold filled cap with grouped parallel lines pattern, geometric band, and rectangular cartouche; trim is solid 14K gold and fully marked.

DATE: c. 1943 • CONDITION: exc • $175

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15924: Parker 51 Heritage set in box: black double-jewel Vac-filler, bold barrel imprint with 2nd quarter date code, wartime filler unit with diamond imprint on plunger, uncommon 1/10 16K gold filled over silver cap with grouped parallel lines pattern, geometric band, and rectangular cartouche, solid 14K gold Blue Diamond clip and trim. Matching .9 mm twist-action pencil cap is 1/7.5 12K, also with solid gold trim. Pen's collector is made using Buckskin Tan acrylic stock -- no wasted material during wartime shortages. With 1944-dated instructions with handwritten 1944 date as well.

DATE: 1944 • CONDITION: exc • NIB: fine • $625

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16317: Parker 51 pencil: black twist-action with clean undinged 1/10 14K gold filled cap, uncommon pattern of alternating straight and squiggly lines; 13.3 cm long, uses .9 mm lead, notably sharp and deeply cut barrel ribbing.

DATE: c. 1945 • CONDITION: exc • $95

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16183: Parker 51 Heritage set in box: black double-jewel Vac-filler and matching twist-action pencil, solid 14K gold clips and trim, 1/10 16K gold filled over silver caps with rectangular cartouche and geometric band; pen has bold barrel imprint with 4th quarter date code, two-tone clutch ring, wartime filler unit with diamond imprint on plunger.

DATE: 1945 • CONDITION: near mint • NIB: fine • $650

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15660: Parker 51 set in box: black double-jewel Vac-filler, Heritage model with 1/10 16K gold filled cap and 14K solid gold trim, two-tone clutch ring, bold imprint with 1st quarter date code, matching twist-action pencil uses .9 mm lead, both pieces have caps with grouped parallel lines pattern with cartouche and geometric trim band. Pencil is in much better condition than the pen, excellent but for one small ding to the nose cone, pen has been used much more, scattered nicks and bumps to the cap, still in good working condition.

DATE: 1946 • CONDITION: VG, fine-exc • NIB: medium • $350

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16135: Parker 51: black Vac-filler with 1/8 14K gold filled cap in fine parallel lines pattern, Blue Diamond clip, bold "T" imprint with 2nd quarter date code, two-tone clutch ring; overall appearance is excellent or better, cap is crisp but fine stress hairline near rim (see detail).

DATE: 1946 • CONDITION: fine-exc* • NIB: medium fine • $225

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16069: Parker 51 Demi set: dark blue Vac-filler, 12.25 cm long, 1/10 14K gold filled cap in fine parallel lines pattern, gold filled plain arrow clip, strong barrel imprint with 2nd quarter date code, matching twist-action pencil uses .9 mm lead. Tiny stress mark on side of hood opening barely noticeable, does not affect function. A clean higher grade example of an uncommon 51 variant (Vac-filling Demis were produced for a much shorter time than their Aerometric successors, and are differently proportioned: shorter, but full-sized in girth).

DATE: 1948 • CONDITION: exc* • NIB: fine oblique • $265

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16141: Parker 51 repeater pencil: Forest Green with 1/10 12K gold filled cap with converging lines pattern, 13.2 cm long, uses .9 mm lead, good imprint with 4th quarter date code.

DATE: 1948 • CONDITION: exc • $120

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16277: Parker 51 Demi: Teal Blue Aerometric filler, frosty Lustraloy cap, chrome plated trim, early production with "PRESS . . . 6 TIMES" imprint on sac housing, acrylic connector, crisp barrel imprint with 4th quarter date code. Original price sticker, new old stock with only slight handling wear.

DATE: 1949 • CONDITION: near mint • NIB: medium • $250

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16173: Parker 51 repeater pencil: Forest Green with frosty Lustraloy cap, imprint with 3rd quarter date code, 13.2 cm long, uses .9 mm lead.

DATE: 1949 • CONDITION: near mint • $85

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15633: Parker 51 Demi: "Forest Green" Aerometric filler, pristine two-tone frosty Lustraloy cap, chrome plated trim, barrel imprint with 3rd quarter date code, new old stock with original barrel sticker, never filled, original sac transparency as new.

DATE: 1950 • CONDITION: mint • NIB: medium • $275

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15529: Parker 51 Demi set in box: Forest Green Aerometric filler with frosty Lustraloy cap, 12.9 cm long, chrome plated trim, early style acrylic connector with threaded filler housing with "PRESS . . . 6 TIMES" imprint, new sac with perfect transparency; matching .9 mm repeater pencil shows less usage than pen, both have 1950 date codes. In clamshell case complete with cardboard outer box.

DATE: 1950 • CONDITION: exc • NIB: medium • $350

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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

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15554: Parker 51 Demi repeater pencil: burgundy, 1/10 12K gold filled cap in converging lines pattern, 12 cm long, original barrel sticker, bold imprint with 4th quarter date code, uses .9 mm lead; as new, no packaging.

DATE: 1950 • CONDITION: near mint • $95

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15636: Parker 51: grey Aerometric filler, pristine two-tone frosty Lustraloy cap, chrome plated trim, imprint with 1st quarter date code; new old stock, original barrel sticker present, never filled, original sac transparency as new; mint but for slight light fading visible only via shadow line at cap edge.

DATE: 1951 • CONDITION: near mint* • NIB: medium • $250

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16071: Parker 51 Special set: grey Aerometric filler, polished stainless steel cap, black jewel, 13.8 cm long, "Octanium" alloy nib is a smooth writer; good imprint with 1st quarter 1951 date code, Liquid Lead pencil is a match but made at least four years later. Both excellent or better, noting slight sun fading to pen barrel where not covered by cap. Original Liquid Lead cartridge dried out, refills no longer available (ballpoint refills can be used with an adapter, not included).

DATE: 1951, c.1955 • CONDITION: exc* • NIB: medium fine • $165

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16373: Parker 51 Flighter set in box: stainless steel Aerometric-filler, gold filled trim, with matching .9 mm injector pencil, pen and pencil have 2nd and 1st quarter date codes, respectively; pen's softened sac nipple has been replaced, new sac installed with perfect transparency; pencil shows more usage than does the pen.

DATE: 1951 • CONDITION: fine-exc • NIB: medium • $395

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16136: Parker 51: Forest Green Aerometric filler, frosty Lustraloy cap, chrome plated trim, barrel imprint with 3rd quarter date code, original price sticker present; new old stock, as new but for minor scuffs from capping and uncapping, scratch through imprint.

DATE: 1951 • CONDITION: near mint • NIB: medium • $275

ORDER

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16174: Parker 51 repeater pencil: black with frosty Lustraloy cap with polished rim band, 13.2 cm long, uses .9 mm lead; clean barrel imprint with late two-digit 2nd quarter date code; original barrel sticker for 51 Demi, though pencil is full-length.

DATE: 1952 • CONDITION: mint • $80

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15632: Parker 51 Demi: "Teal Blue" Aerometric filler, pristine two-tone frosty Lustraloy cap, chrome plated trim, new old stock, never filled, part of barrel sticker still attached, original sac transparency as new; light scratch to cap (see detail).

DATE: c. 1953 • CONDITION: near mint • NIB: medium • $225

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16171: Parker 51 repeater pencil: Forest Green with frosty Lustraloy cap, imprint with late "53" date code; like new, uses .9 mm lead.

DATE: 1953 • CONDITION: near mint • $95

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16272: Parker 51 Flighter: Aerometric filler, stainless steel cap and barrel, gold filled trim, 13.75 cm long, no dings, replaced sac with perfect transparency.

DATE: c. 1954 • CONDITION: fine • NIB: broad • $350

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16153: Parker 51 set in box: black Aerometric filler, frosty Lustraloy cap, chrome plated trim; matching repeater pencil appears to be unused, has original barrel sticker, uses .9 mm lead. New old stock sac and connector installed, perfect transparency, only minor handling marks to caps.

DATE: c. 1955 • CONDITION: exc-near mint • NIB: medium • $250

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16072: Parker 51 Special Liquid Lead pencil: black with polished stainless steel cap, black jewel, barrel imprint bold, no date code; original barrel sticker, original cartridge still works but refills no longer available (can use ballpoint refills with an adapter, not included).

DATE: c. 1955 • CONDITION: mint • $65

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16167: Parker 51 set in box: grey Aerometric filler with 1/10 12K gold filled cap in converging lines pattern, scarce matching ballpoint uses standard Parker refills. Pen cap has a pinprick ding on the back of the cap and a couple of small patches of brassing (see details), new old stock sac has been installed for perfect transparency.

DATE: c. 1956 • CONDITION: fine • NIB: medium broad • $295

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15722: Parker 51 ballpoint: black with frosty Lustraloy cap, chrome plated trim, 13.3 cm long, uses standard Parker refills; later production with plastic barrel threads.

DATE: c. 1959 • CONDITION: exc • $145

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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

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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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