A Portuguese Silver Centerpiece Bowl with Flower Frog and Plateau

a three-piece form each with a .916 silver fineness mark of Porto circa 1938 or after and unidentified maker's mark, the bowl additionally marked "Sterling" to underside, includes a bowl hand chased and ornately decorated with shell, scrolling, and foliate garden motifs, presented with a conforming silver-mounted plateau with a beveled mirrored glass raised on ball feet, and topped with a fitted silver reticulated flower frog with hand chased decoration, all without monograms.
The bowl 8 x 16 1/4 x 8 in. The plateau 2 x 23 x 17 in.
62.2 weighable troy oz.
From the Estate of the late Esther Lederman, New York and North Carolina
Additional high-resolution photos are available at www.lelandlittle.com

The flower frog with scattered verdigris, minor areas of denting to bowl