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11 May 1763 James Birkenhead of Dean's Court Westminster Jeweller paid apprentice indenture duty for William Wheatley.

1782 London Poll Book lists James Birkenhead Weaver at 31 Gutter Lane.

2 May 1770 George son of George Paris Kings Row Blacks fields Surry County Mariner apprenticed to Lewis Bentoiment of Carey Lane Jeweller.

AG2012 wrote:Hi,
It is not silver but white gold, fineness 14 K or .585 or 58% gold in the alloy.
Regards

Agreed, the American Jewelry forum should work>

Oh, and welcome to the forum.

This may or may not be about this particular item because the age doesn't necessarily fit, but here's is what the USPTO has about the mark: Word Mark RGC Goods and Services (CANCELLED) IC 014. US 002 027 028 050. G & S: jewelry. FIRST USE: 19830427. FIRST USE IN COMMERCE: 19830427 Mark Drawing C...

silverly wrote:Does anyone recognize the trademark on this brooch. It kind of looks like G W or G L W but not sure? Any help much appreciated.

Maybe just a stylized "G," or what?

Welcome to the forum. I don't mind being wrong in this case, but to me it doesn't look like American or solid silver. Hopefully others will shed some light on your inquiry.

Does anyone recognize the trademark on this brooch. It kind of looks like G W or G L W but not sure? Any help much appreciated.

Looking for an identification for the mark. Any help will be greatly appreciated.

From A Guide to the City of Chicago: Its Public Buildings, Places ... - Page49 1868:

The information that I can gather has the Northwestern Silverware Mnfg Co incorporated in Cook County, Illinois from 1867 to at least 1873. I believe that I misinterpreted what I read about this company's years of incorporation. They were merely on a list of companies that were incorporated in the ...

Pure speculation, but from his first recorded son's name , William Fearn Wheate , his wife was probably the daughter of a Mr. Fearn. Who may, or may not, have been the silversmith William Fearn. 11 July 1782 Charles Wheate Goldsmith married Elizabeth Fern at the Parish of Earl Sterndale Derbyshire....

....Albert Henry Jephcott of A H. Jephcott & Sons, 1 Regent Street Leicester. The AHJ mark was registered in 1937 and almost certainly relates to Albert Henry senior (1885-1955) – his same named son (1903-1976) is listed in 1939 as an “electrical radio engineer”.... David Bramwell Jephcott who ...

15 June 1753 William Yearley of the Parish of Saint Anne & Agnes married Elizabeth Duce of the same Parish. (From the Fleet Record)

Relatd post concerning William Yearley's apprenticeship: viewtopic.php?f=74&t=32233&p=80930&hilit=William+Yearley#p80930

Clive will be sorely missed by me and no doubt by many others. He did a lot to try to keep me on the right track and was always considerate in those efforts.

June 1768 George son of John Venables of Cheshunt...Husbandman apprenticed to John Newson London Clockmaker. 10 April 1769 In an annex on the back of the indenture contract, George Venables was turned over to James Poole Farrier of the same trade. July 1769 George Venables was turned over to another...

27 May 1754 George son of George Ashton late Citizen and Haberdasher of London deceased apprenticed to William Burton London Goldsmith (Grimwade p.455).

26 March 1723 William Milward of Saint Dunstan in the West London Batchelor and Goldsmith aged 32 years alleged his intentions to marry Mary Johnson of Saint Andrews Holborn in the County of Middlesex Spinster aged 22 years.

6 September 1697 James son of John Whitlock late Stationer of London deceased apprenticed to William Sherwood Clockmaker of London.
3 October 1704 Free.

March - September 1789 Timothy son of Timothy Renou Farrier made free by Patrimony. The younger Timothy was born in 1750 and his father was admitted in 1742.