Old Stock Yard Collectible Stock and Bond Certificates. The Bullfrog Victor Mining Company. Original mining stock certificate. Colorado Springs, Colorado Hand signed by company officers. 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 “1906 Bullfrog Victor Mining Colorado stock certificate” is in sale since Wednesday, July 13, 2011. This item is in the category “Coins & Paper Money\Stocks & Bonds, Scripophily\Mining”. The seller is “oldstockyard” and is located in Jacksonville, Florida. This item can be shipped worldwide.