Beautifully engraved Certificates from Broadcast Industries Corporation, Dalto Electronics, Quinby Oil Company, Hi-Press Air Conditioning of America and Ultra-Jet Industries issued in the 1920's (Quinby Oil Company) and in the 1960's (All Others). These historic documents have an ornate borders around them and with vignettes and blue, red or green colors. They all have the printed or hand signatures of the company's officers and are over 40 years old. This is a great way to get started in the hobby of Scripophily and would make a nice gift for someone special.