• Myths and misconceptions
  • Waterman model numbers
  • Parker date codes
  • First year vs first model
  • Serial numbers on nibs
  • Turn-up nibs
  • Two-tone nibs
  • Why are most vintage pen nibs fine and firm?
  • White Dot, Blue Diamond, and other lifetime guarantees
  • Who invented the fountain pen?
  • Waterman's Ink Blot (Archive)
  • Giant pens
  • Miniature pens
  • Pen-pencil combos
  • Practical advantages of safety pens
  • Mandarin Yellow Primer (Pen Profiles)
  • Distinguishing features of Golden Arrows/Vacuum-Fillers (Ur-Vacumatics)
  • Vacumatic nomenclature
  • Canadian Vacumatics
  • First-year Parker 51s: distinguishing features
  • "Plum": a standard (but scarce) Parker 51 color
  • Sheaffer: earliest pens (Archive)
  • Sheaffer: earliest catalogs, sub-brands (Archive)
  • Wahl-Eversharp Gold Seal
  • Japanese pens that seem to be plunger-fillers, but aren't