Parker Registry
Parker · 1909-1921
Parker Jack Knife Series (#65-#76)
Pre-Duofold
Filling System
Button filler (Jack Knife safety cap)
Nib
14k gold
Material
Hard rubber, gold/sterling overlay
Variants
| Model | Material | Price | Notes |
|---|---|---|---|
| #65L/#65S | Hard rubber, broad gold band | ||
| #66L/#66S | Ring top on gold cap | ||
| #70 | 18k gold overlay, checkered, collapsible, $15 | ||
| #76L/#76S | Gold-filled, wide chased cap band | ||
| #81-#84 | Chased designs, various bands (1922) | ||
| #95S-#99S | Sterling/gold overlay ring tops |
What to Look For
Self-capping safety pen — twist mechanism locks cap. 'L' = long, 'S' = short. Ring-top versions designed for women (worn on chain). Jack Knife cap patented 1912.
Jack Knife Safety pens (#65-#76) with twist-lock cap preventing leaks. Gold-filled and sterling overlay options.