Set with a plaque of translucent rich green colour, pierced and carved with a bird amidst flowers and foliage, with a baguette and circular-cut diamond part-border, further enhanced by a detachable border of scrolled gold ribbon bows and bands, highlit with numerous circular-cut rubies, jadeite and diamond brooch detachable, Art Deco, circa 1925; the gold scrolls circa 1940