Old Stock Yard Collectible Stock and Bond Certificates. Attractive certificate with nice vignette. Commodore International (CI), along with its subsidiary Commodore Business Machines (CBM), participated in the development of the homepersonal computer industry in the 1970s and 1980s. Old Stock Yard Policies and FAQs. Items are sent via U. Usually first class, but occasionally priority or parcel post. Policy, my listings are setup to accept. Are you your certificates authentic or copies? Everything I sell is original and authentic. I do not sell copies or reproductions. Is the certificate pictured the exact one I will receive? Occasionally, I do list certificates of the same type without rescanning. In this case, the certificate you receive will be virtually identical same color, size, vignette, etc. To the one pictured. What is the best way to store, protect, and display my certificate collection? The best thing, by far, that I have come across for storing certificates are profolios and sleeves made by Itoya. I have several sizes available. Do the certificates you sell have financial value? The item “Commodore International early home computer Commodore 64 stock certificate” is in sale since Monday, September 04, 2017. This item is in the category “Coins & Paper Money\Stocks & Bonds, Scripophily\Communications & Technology”. The seller is “oldstockyard” and is located in Jacksonville, Florida. This item can be shipped worldwide.