Vintage good NAPIER RENAISSANCE STYLE Clip Earrings

These VINTAGE NAPIER RENAISSANCE STYLE clip earrings have a large AMBER COLOR faceted prong set center stone encased in beautifully etched silver/silvertone metal. Signed NAPIER PAT.PEND. in block letters. I am not sure when these were made but I think they are very old...you decide. Measuring approximately 1" in diameter ( see photo ) these STATEMENT earrings good are in VERY GOOD VINTAGE CONDITION. Questions ? Please call 1-207-865-6191.