Hans Jakob Baur. There were several silversmiths with the name Hans Jakob Baur and are often described as I, II, III, IV and V. Below are some examples of their work.
A German parcel-gilt silver two-handled oval brandy bowl by Hans Jakob Baur I, Augsburg, second quarter 17th century Of shaped oval form with lobed walls and two S-scroll handles, the center with repoussé fruit clasp, weight approximately 3.25oz troy height 1 1/2in (3.75cm); length 6in (15.25); depth 5 3/4in (14.5cm).
Sold for US$ 1,125 (£ 861) inc. premium at Bonhams in 2014
A GERMAN PARCEL-GILT SILVER SWEETMEAT DISH MARK OF HANS JAKOB BAUR III, AUGSBURG, CIRCA 1685, WITH LATER 20TH CENTURY ITALIAN CONTROL MARKS Lobed oval with two scroll handles, the centre chased with a bird standing amongst fruit in a bowl, within a textured, leafy border 6 ½ in. (16.5 cm.) long 4 oz. (124 gm.)
Sold for GBP 1,000 at Christies in 2015
Pair of silver candlesticks, Augsburg, Johann (Hans) Jakob V Baur (Master 1745-1774), 1773-74. H. 23 cm, 780 g
Sold for €1,700 at Dr. Fischer Fine Art Auctions in 2015
Hans Jacob Baur German parcel-gilt silver altar dish shaped oval, the centre embossed with a winged cherub supporting two laurel wreaths, one enclosing the Holy cypher, the other the cypher of the Holy Mother 32.4cm, 12 3/4 in wide 511gr, 16oz 8dwt Augsburg, 1644-47
Sold for 6,000 GBP at Sotheby’s in 2012