
Description:
- Name(s): Indestructible, The Indestructible Pen
- Shape: Colorado
- Finishes: Golden
- Tip: Pointed
- Prices: 30¢, 40¢ per gross
Comments:
- “Curbstone Salesmen” is an old term for door-to-door salesmen.
- Another of the Colorado-shaped series. Also made of a copper-zinc alloy.
Other Images:



References:
The existence of this pen is confirmed or surmised by the following:
- Included in the 1877 or 1878 ads in the American Bookseller
- 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
- Listed in the Anderson & Krum price list in the 1887 Publisher’s Trade List
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