Brooches Jewels :
A CHARMING ANTIQUE AGATE AND DIAMOND BROOCH, BY TIFFANY & CO. Centering upon a carved agate cameo depicting a seated angel, locked behind gold bars, within a rose and old mine-cut diamond chain link surround, the base enhanced by a similarly-set key and foliate motif, mounted in gold, circa 1890, in a Tiffany & Co. red leather case With jeweler's mark for Tiffany & Co.