--fortitudo et fides--

Model 31 Omnis




♦ The Model 31 fountain pen encompasses features from several F-C models. The grip section is like that of the 40 Panther, the silhouette is a slightly slimmer version of the 19, precision posting like the 20, 45, and 03, cut grooves and recessed nib like the 20. 

The 31 market price starts at $160 USD. Nibs start at $25 USD.

♦ Dimensions:
.625" cap diameter (15.87mm)
.531" upper barrel diameter (13.49mm)
5.50" capped length (139mm)
6.755" cap posted length including nib (172mm)
5.250" barrel length including nib (133mm)
.41-.47" thick grip section at thinnest and thickest point (10.4 - 11.92mm)

Weight without ink = .92oz / 26.08g

♦ Made in USA of long lasting, durable hard acrylic that is light weight. 

♦ Standard Int'l Cartridge / Converter filled, one of each included. Also can be used as an eyedropper. Barrel holds approximately 3.5ml of ink when eyedroppered.

♦ #6 Size nib - with many tip options in factory or custom ground. 

♦ Lifetime Warranty. 

♦ Shipped with a Franklin-Christoph single pen zippered pouch with an outer white thin box. 
Note that our fountain pens are sold a la carte - so the price listed is just for the pen, and nibs start at $25.
11 products
  • The Franklin-Christoph Model 31 Omnis Fountain Pen in Classic Black with a silver nib rests beside its cap.
    $160.00
    $160.00
  • A Franklin-Christoph Model 31 Omnis Black Cathedral fountain pen rests on a white background.
    $160.00
    $160.00
  • A Franklin-Christoph Model 31 Omnis Fountain Pen in Black Smoke, with its cap beside it on a white background.
    $160.00
    $160.00
  • Franklin-Christoph Model 31 Omnis Fountain Pen in Antique Glass, silver nib, light aqua cap on white background.
    Sold out
    $170.00
  • Franklin-Christoph Model 31 Omnis Emerald fountain pen, uncapped, #6 nib facing left on a white surface.
    $160.00
    $160.00
  • Franklin-Christoph Model 31 Omnis Jade fountain pen uncapped, silver nib and cap on a white background.
    $160.00
    $160.00
  • A Franklin-Christoph Model 31 Omnis Copper Rising fountain pen with #6 nib rests on a white background.
    $160.00
    $160.00
  • Franklin-Christoph Model 31 Omnis Fountain Pen in Ruby with HPSteel nib, uncapped on a clean white background.
    $160.00
    $160.00
  • Franklin-Christoph Model 31 Fountain Pen in Venetian Red Maya Blue with #6 nib; cap rests beside it on white background.
    $160.00
    $160.00
  • Franklin-Christoph Model 31 Omnis Fountain Pen in Maya Blue acrylic, #6 silver nib, cap beside, on white background.
    $160.00
    $160.00
  • Franklin-Christoph Model 31 Black Pen Society fountain pen, engraved, cap off, displayed on a dark background.
    Sold out
    $160.00