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Pen Profile:
Parker 51
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
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
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
16720: Parker 51 pencil: black with smooth solid 14K gold cap and matching trim, no dents, fully marked, gold-plated mechanism, uses .9 mm lead, gold value alone is $372 at time of listing.
DATE: c. 1945 • CONDITION: exc • $425
16732: Parker 51 set in box: Buckskin Tan double-jewel with 1/10 16K gold filled over silver wartime cap with geometric band and cartouche, solid 14K gold trim; matching pencil uses 1.1 mm lead, unusual deluxe mechanism is gold-plated under the cap. Pen has two-tone clutch ring, excellent imprint with 1st quarter date code, wartime all-plastic filler unit with diamond imprint on plunger end.
DATE: 1945 • CONDITION: exc-near mint • NIB: fine • $785
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 • SOLD
16553: Parker 51 set in box: "Yellowstone Yellow" double-jewel with 1/8 14K gold filled cap with geometric band and indicia, two-tone clutch ring, 14K solid gold trim, strong barrel imprint with 4th quarter date code; matching pencil has 1/10 16K cap, uses 1.1 mm lead. Extremely clean set, pen excellent plus, pencil the same but for a stress crack in ribbed part of barrel (see detail).
DATE: 1946 • CONDITION: exc* • NIB: fine • $895
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 • SOLD
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
16626: Parker 51: early production Aerometric filler in Plum, frosty two-tone Lustraloy cap, good barrel imprint with 4th quarter date code, early filler housing with "PRESS . . . 6 TIMES" imprint, transparent acrylic connector, new sac has been installed.
DATE: 1948 • CONDITION: fine-exc • NIB: medium • $295
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
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
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
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 • SOLD
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
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
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
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
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
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
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
16685: Parker 51 desk pencil: black twist-action, 15.3 cm long, chrome plated trim, uses .9 mm lead; two available, both with late two-digit date code.
DATE: 1954 • CONDITION: near mint • $60
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
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
16633: Parker 51: Forest Green Aerometric filler, 1/10 12K gold filled cap in converging lines pattern, 13.8 cm long, new sac with perfect transparency.
DATE: c. 1956 • CONDITION: exc • $275
16631: Parker 51: black Aerometric filler, 1/10 12K gold filled cap in converging lines pattern, 13.8 cm long, pinkish sac with near-perfect transparency, factory nib with semi-architect grind, narrow downstrokes, slightly wider cross-strokes.
DATE: c. 1958 • CONDITION: near mint • $225
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
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
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
