Rare, heavy baroque lidded tankard, so-called mantle tankard. Silver, partly gilt. Flared, fluted stand, screwed underneath, divided by delicate moulded lines and decorated with four applied ornaments, merging into a cylindrical body. The wall is surrounded by a separately moulded cuff which is slid over the body and secured by the screwed stand. Surrounded by relief sculptural, mythological depictions of nymphs, tritons and other sea creatures above stylised waves. Hinged, domed lid with flared rim. Central baluster pommel over a fully sculpted rosette of cut leaves, surrounded by shells chased in relief, alternating with applied, stylised mascaron ornaments. Narrow, voluted ear handle ending in a corresponding, two-part thumb rest. Gilt interior. Marked, tremolier line, inspection mark, master David I Schwestermüller (becomes master 1628). Weight approx. 685 g. H. 15.5 cm. Cf. Seling, 2007, BZ 0580, no. 1442; vol. II, fig. 426 and fig. 429. Further comparable lidded tankards by this master are in the British Museum in London, inv. no. WB.129, as well as an almost identical lidded tankard presented by King Charles XI of Sweden to Tsar Alexei I of Russia in 1674 in the Kremlin Museum in Moscow (inv. no. M3-513). A rare and heavy German Baroque parcel-gilt silver tankard by David I Schwestermüller (master since 1628). Gilt inside. Test, assay and master's mark. German. Augsburg. Circa 1649-1653.