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
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
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 • $850
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 • $300
13528: Parker 51: cordovan double-jewel, 1/10 16K gold filled over silver wartime cap with geometric trim band, cartouche engraved "1896-1946"; Blue Diamond clip, two-tone clutch ring, strong imprint with 2nd quarter date code. Only moderate wear, but name on barrel, multiple scrapes and dents to the cap.
DATE: 1945 • CONDITION: VG • NIB: extra-fine • $165
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
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
13390: Parker 51: black Vac-filler with Mexican custom-made cap in heavy silver with applied gold decoration of a horse, unicorn, and dragon; pen is US-made with 3rd quarter date code, no marks on cap but all excellent quality with no trace of wear-through (the repurposed Parker Blue Diamond clip excepted).
DATE: c. 1946 • CONDITION: exc • NIB: medium fine • $685
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
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
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 • $350
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
13544: Parker 51: burgundy Aerometric filler, frosty Lustraloy cap, chrome plated trim.
DATE: 1953 • CONDITION: exc • NIB: medium broad • $175
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