One of my favorite fountain pens is the Sheaffer Clear School Cartridge Fountain Pen, manufactured from 1955 to 1970.
Vintage Sheaffer School Fountain Pen - Clear
Sheaffer Fineline (School) Pens and Writing Kit : r/fountainpens
Sheaffer – Chronicles of a Fountain Pen
Sheaffer #22 Student Special Fountain Pen (late 1920s) - Black
Type Vintage lever filling fountain pen, restored and working well. Hard to find model., Product Name Flat Top Secretary pen, oversized model. ,
Sheaffer Loaner Flat Top Senior (1920s) - Hard to Find, Cherry Red, Lever Filler, Extra Fine Lifetime Nib (Excellent, Restored)
Does This Pen Make Me Look Fat?: Pen Review: Sheaffer No Nonsense
New Pen Day Part II, help identify? My first foray into vintage
Sheaffer Student Fountain Pen - Fountain Pen Reviews - The
My Antique Pens: Sheaffer Student Cartridge Pen
Vintage Sheaffer Clear School Cartridge Fountain Pen
Sheaffer Signature Pen Overture Classic Retro Roller Pen Male and
Fountain Pens
Vintage Sheaffer Ink Pens, Office