An “Edison Portland Cement Company” stock certificate boldly signed in black ink “Thomas A Edison” on the back by Thomas Edison with his famous “Umbrella Signature”. Edison’s signature, and the signatures of the VP and Treasurer on the front, have been marked with a light red cancellation line, and the document has eight cancellation holes punched through it.
This certificate was number 58 of 100 shares issued.
The certificate is dated June 30, 1899
and measures approximately 15.5″x 8.75″.

Sold with Certificates of Authenticity from both The Autograph Source (Lifetime Guarantee) and independent third-party authenticator Beckett Authentication Services.