This vintage Trumbull porcelain copper throw knife switch antenna grounding piece is a unique and rare find. With its brown color and antique original status, it adds a touch of history to any collection or decor. Made of porcelain material and featuring new old stock, it is a perfect addition for collectors or enthusiasts of architectural and garden hardware. Its maker, Trumbull, is known for producing high-quality items. It is a must-have for anyone looking for a unique and rare piece to add to their collection.

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