Did you know that the Confederacy had an Inventors’ Exchange where patents could be secured? – This Beautiful Charleston, S.C. Advertising Cover Dated April 3, 1861 has a Complete Description of how to Secure Patents in the Confederate States of America!

Here is an extremely rare Confederate cover with perfect “CHARLESTON, S.C. APR. 3, 1861” postmark with 3 cent Washington stamp. The front of the cover is light green with white printing: “Eberhard Faber, 133 Williams St., New York – A. W. Faber’s Lead Pencils”. On the reverse of the envelope is an ad from the William F. Dodge company, “Dodges’ Machinery Agency & Inventors Exchange, Patent Office Department”. Below that “Charleston, S.C. April 1861”. 

“The subscriber has completed his arrangements 
for properly transacting the business of preparing 
for securing PATENTS in the Confederate States 
of America.
Inventors who desire to secure PATENTS, should
have their Caveats prepared without delay, and
thus secure their Inventions against being Patented
by improper parties.
All Communications will be deemed strictly confidential,
and models and drawings will be treated
in the same manner.
All letters of inquiry should contain postage
stamp, to pre-pay the reply.
A large experience in the PATENT BUSINESS
warrants me in asserting my ability to conduct it
In a satisfactory manner, and to the interests of
Post Office Box No.

Condition of the cover is overall fine with minor edge wear. An extremely rare advertising cover. 

#PC303SC.4-3-61 – Price $300

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