Beautifully engraved certificate from the I/O Devices issued
in 1973-1975. This historic document was printed by the Security-Columbian Banknote Company and has an
ornate border around it with a vignette of an eagle perched upon a rock with its wings spread out. This item has the printed signatures of the company’s president and treasurer and is
over 25 years old.
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All Old Stock and Bond
Certificates are actual authentic certificates and are sold only as collectibles.
We do not sell reproductions and offer a lifetime guarantee to the
authenticity of everything we sell.