François Frionnet 3-piece tea/coffee service hallmarked in vintage silver-plated metal

3-piece silver-plated tea/coffee set. All pieces are hallmarked François Frionnet, a great 20th century goldsmith. Total weight: 1.897 kg. Teapot/coffee pot: height 21.5 cm X width (from the handle to the spout) 23 cm, diameter 11 cm, Hallmarks 30, sts and numbered. Sugar bowl: height 13 cm (with lid), 7.5 cm (without lid) X diameter 9 cm, Hallmarks. Pms, sts, 15 gr, numbered and a large y. Milk jug; height 11 cm X width 12.5 cm (from the handle to the spout) X diameter 8.5 cm. Hallmarks sts, 15 gr, numbered and a large y.