
Description:
- Name(s): Commercial, Commercial Pen
- Shape: Shoulder
- Finishes: White (#8), bronze (#9) and black (#10)
- Tip: Pointed
- Prices: 50¢ per gross (1876, 1879, 1883)
Comments:
- A medium-fine business pen. Shoulder-shaped and flexible.
- An unusual example of Esterbrook giving the same pen three different numbers depending on the finish: White is #8, Bronze is #9, and Black is #10.
Other Images:


References:
The existence of this pen is confirmed or surmised by the following:
- Displayed on the 1873 Salesman Sample Card
- Displayed on the 1874 Salesman Sample Card
- Listed in the 1876 Illustrated Price List of the Esterbrook Steel Pen Company, January 1, 1876; courtesy of The Hagley Museum and Library, Wilmington, Delaware; contributed by Andrew Midkiff
- Listed in the 1879 Trade Price List of the Esterbrook Steel Pen Company (The American Stationer, September 4, 1879) (Contributed by Andrew Midkiff)
- Listed in 1883 Esterbrook Catalog
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