14886: Conklin 4 cutaway demonstrator: early mottled hard rubber slip-cap barrel assembly, 10.65 cm long, nickel-plated unmarked crescent, flat profile lock ring, 1903 latest patent date in imprint; appears to have been made from a factory reject barrel -- note that the "4" was stamped too hard and too close to the end of the barrel, breaking away some of the material (see detail).
DATE: c. 1906 • CONDITION: VG-fine • $225
13563: Eversharp CA ballpoint demonstrator: transparent barrel, brushed stainless steel cap and barrel end cap, gold filled clip, 13.1 cm long, maroon nose cone, original refill is intact but nonfunctional.
DATE: c. 1946 • CONDITION: exc • $225
13887: Matador Click 007 demonstrator in box: transparent blue piston-filler, 13 cm long, nickel plated trim, gold plated nib, new old stock with clip tag, some internal stress marks visible from original manufacture, two available.
DATE: c. 1960 • CONDITION: near mint • $265
13764: Parker 24 Jack-Knife Safety: button-filler with black hard rubber cap, transparent Bakelite barrel, 13.4 cm long, nickel plated trim, #4 teardrop-vent nib has barely visible hairline at base (see details) and is fully functional, Lucky Curve feed is intact, as is original riveted pressure bar; name engraved on barrel, a transparent silicone sac has been installed.
DATE: c. 1918 • CONDITION: fine • NIB: fine semiflex • $565
14462: 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, "wedding band" Lustraloy cap with long clutch. Small dings under the clip, imprint worn but mostly legible.
DATE: 1941 • CONDITION: fine • NIB: fine • $895
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
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
13912: Rotring Tikk Kuli ballpoint demonstrator: transparent dealer-only version, 12.2 cm long, German made, thin wash plating to trim mostly worn off, but condition otherwise fine to excellent.
DATE: c. 1960 • CONDITION: VG-fine • $165
11961: Sheaffer demonstrator pencil: factory cutaway, 13 cm long, nickel-plated all-metal construction, uses 1.1 mm lead, mechanism propels and retracts; marked with 1918 patent date and "PAT.PEND'G" on crown, eraser pulls out from end.
DATE: c. 1920 • CONDITION: fine-exc • $120
11739: Sheaffer demonstrator pencil: factory cutaway, 13 cm long, nickel-plated all-metal construction, uses 1.1 mm lead, mechanism propels and retracts; marked with 1918 patent date and "PAT.PEND'G" on crown, eraser pulls out from end.
DATE: c. 1920 • CONDITION: fine-exc • $125
12184: Sheaffer Lifetime demonstrator pencil: factory cutaway, 13 cm long, nickel-plated all-metal construction, uses 1.1 mm lead, mechanism propels and retracts; marked "PAT.-- PAT.PENDING" on crown and "DEMONSTRATOR" on barrel (most examples lack the "DEMONSTRATOR" marking). Eraser pulls out from end, dents on barrel on either side of the clip, dings and cut marks to cap crown, mechanism tight but fully functional.
DATE: c. 1921 • CONDITION: G* • $65