An Extremely Rare Original and Genuine Antique Stock Certificate -. All of my auctions are guaranteed original and authentic forever!!! ALSO Please check my other auctions as i will be listing many wonderful and rare Museum quality pieces in the next week and for the next year or so –. The item “Elk City Mining and Milling 1891 Stock Certificate Portland Oregon EX RARE” is in sale since Wednesday, April 09, 2014. This item is in the category “Coins & Paper Money\Stocks & Bonds, Scripophily\Autographs”. The seller is “jaygould” and is located in Lake Monroe, Florida. This item can be shipped worldwide.