The world’s finest mouth-blown window glass, found in landmark historic restorations, including The White House, Mount Vernon, and Monticello. Available for purchase cut-to-size, by the sheet, or in case quantities. Available in laminated safety form. Historically accurate, authentic mouth-blown window glass. Matches antique window glass of the 17th and 18th centuries. Slight wavy appearance. “Perfectly imperfect” glass: variations in texture and thickness, as well as the presence of random scuffs, scratches, and small or large bubbles (“ox eyes”) are considered desirable characteristics that attest to its authentic hand-made nature