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Piers Percival, in his article "Elizabethan London Specialist Spoonmakers", The Finial: Journal of the Silver Society of Great Britain , v. 14/06, Jul/Aug 2004, pp. 14-21, makes an argument that at this time - the second decade of the 17th century - this specific mark (with the cusped outl...

Gabriel Jacques Andre Bompard

Baptized : 8 Sep 1770, Orleans, Loiret, son of Jacques Bompard & Marie Madeleine Hucquier
Married: Marie Josephine Lefevre
Died: 16 Nov 1846, Paris

Augustin Alexandre Turquet

Born: 2 May 1827, Paris, son of Pierre Francois Augustin Turquet & Rosalie Angelique Delatour
Married 1: 1859, to Marie Louise Blanche Tordeaux (1831-1865)
Married 2: 1866, to Catharine Honorine Petersen (1841-1895)
Died: 14 Feb 1890, Paris

Pierre Francois Queille; see forum posts Some French Advertisements and Information: Queille and Silver Goblet Identity

Dresden, Germany, 1815 (date letter "L"), maker Christian Heinrich Rossbach (ca. 1767-1830); Master 1795. 12 Lot (.750 silver)

Reference: Rosenberg v. 2, mark 1823

This one was difficult and took a collaborative effort, but after some research I believe your tastevin to be authentic. A collector of my acquantance recognized this maker’s mark as one which regularly appears on tastevins, and he had the fortune to recently acquire one. He was able to determine th...

Francois Hubert Martin Born: 31 Oct 1794 [10 brumaire an III], Paris, son of Pierre Joseph Martin & Reine Tiersot Married: 11 Jun 1825, Paris, to Jeanne Camille Lereverend (1802-1878) Died: 23 Jan 1885, Paris, 6th arrondissement This mark – FHM with a crowned vine leaf and ermine spot – was reg...

Cesar Charles Tonnelier Born: 11 Jun 1812, La Brosse Moreau, Seine-et-Marne, son of Claude Etienne Tonnelier (1783-1848) & Marie Felicite Thenard Married: 2 May 1843, Villebevin, Yonne, to [his first cousin] Charlotte Elizabeth Tonnelier (1819-1897), daughter of Theodore Tonnelier (1789-1841) &...

Yes; by Freres Gely [Gely Brothers] of Lausanne, canton Vaud. Use the search function for "Gely" to find more information.

Hope this helps!

Sixte-Simon Rion Born: 22 Oct 1780, St. Germain-sur-Ecole, Seine-et-Marne, son of Jean Rene Rion & Marie Amie Durel Married: 2 Sep 1807, Paris, 9th arr., to Adelaide Josephine Bourg (b. Paris, 16 May 1788), d.o. Antoine Bourg & Ursule Madeleine Cordonnier Died: 14 May 1848, Paris, 9th arr. ...

Rossbach was buried in Dresden 24 Dec 1830 at the age of 63 (thus born ca. 1767).

The mark is AG with a lion passant: the mark of Alphonse Gombert, working in Paris 1896-1913, and from 1913 to 1924 in partnership with Paul Bibollet. (Bibollet continued on his own until 1934.) Alphonse Jean Marie Gombert Born: 27 Dec 1868, Doué, Seine-et-Marne, son of Charles Edouard Gombert &...

It sounds like you’re describing the second standard (.800) Minerva mark, so yes, your piece was likely made between 1838 (when the mark was introduced) and 1840 (Mailliot’s death). However, it is possible that his mark was used after 1840 by his widow or some other successor. Different bigornes wer...

I think I can make out a pellet under and slightly right of the "5" of the guarantee mark, which would indicate the assay office in Valenciennes. Cartier's book only covers Lille through the 18th century; the only reference I know of for Lille post-revolutionary marks is Messaint & Pfi...

Jacob's Orfevres d'Anjou et du Bas Maine agrees with your interpretation of the marks. The maker is Michel Boisnier II (1709-1762), master 1736. The mark is "MB" with a key, a star below the "B".

It's Swiss, by Rehfues & Co. of Bern. Use the search function for "Rehfues" for more information.

Hope this helps!

The maker is Hermann Bauer of Schwaebish-Gmuend; see German Hallmarks II

Francois Pamphile Jozan; see this thread: Identifying Sugar Tong Marks

Marc Parrod of Dijon, a prolific maker of tastevins; see this thread: Silver tastevin. French?