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Bullion discoloration - your experiences?


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... So many kinds and sources of bullion on patches, insignia etc etc etc.

 

Has there been or is there any personal knowledge out there of:

 

1. What actually causes discoloration when it occurs

2. If humanly possible to know, how many kinds of different bullion "thread" are there

3. For how long has bullion been used in making insignia etc.

4. Is there any treatment to recommend after discoloration

5. Is there any method of preventing discoloration

 

This topic has probably been covered on USMF? If so, please delete.

 

HONORING FAMILY LtCol Wm Russell (1679-1757) VA Mil; Pvt Zachariah McKay (1714-97) Frederick VA Mil; BrigGen Evan Shelby, Jr (1719-94) VA Mil; Pvt Vincent Hobbs (1722-1808) Wythe VA Mil; Pvt Hugh Alexander (1724-77); Lt John R. Litton (1726-1804); Bvt BrigGen/Col Wm W. Russell (1735-93) 5th VA Rgmt; Lt James Scott (1736-1817); Capt John Murray, Sr (1747-1833); Capt John Sehorn, Sr (1748-1831) VA Mil; Pvt Corbin Lane (1750-1816) Franklin/TN Mil; Cpl Jesse D. Reynolds (1750-1836) 5th VA Rgmt; Capt. Solomon C. Litton (1751-1844); 1Lt Christopher Casey (1754-1840) SC Mil; Pvt Mark Adams (1755-1828); Pvt Randolph White (1755-1831) Bailey's Co. VA Rgmt; Capt. John R. Russell (1758-1838); Pvt Joseph T. Cooley (1767-1826) Fort Hempstead Mil; Pvt Thomas Barron (1776-1863) 1812; Capt. John Baumgardner (1787-1853) VA Mil; Pvt Joel Estep (1828-1864) Co B 5th KY Inf CSA & US; Pvt George B. Bell (1833-1910) Co C 47th IL Inf US; Cpl Daniel H. Barron (1838-1910) Co B 19th TN Rgmt Inf CSA; Capt Richard K. Kaufman (1908-1946) 7th PRG/3rd AF CCU; T-5 Vernon L. Bell (1926-95) 1802nd Spec Rgmt; PO2 Murray J. Heichman (1932-2019) HQSB/MCRD; PFC Jess Long (1934-2017) US Army; PFC Donald W. Johnson (1931-) 43rd ID HQ; A1C Keith W. Bell (1931-2011) 314th TCW; A3C Michael S. Bell (1946-) 3346th CMS; A1C Sam W. Lee (1954-2017) 2d BW; AW3 Keith J. Price (1975-) VP-10; 1Lt Matthew Wm Bell (1985-) 82nd Abn/SOC








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I'll answer some of your queries. Bullion insignia has been used by the US military at least as far back as

Revolutionary War times. The discoloration is caused primarily by oxidation although exposure to chemicals can have a negative effect on the gold/silver wire thread. I think it would be impossible to determine how many different gold/silver wires have been made and used over the centuries.

 

You might try gently rubbing the item with a jeweler cloth, but you are going to end up with a likely unsatisfactory result. I would advise against doing anything as the aging of the bullion is part of the history of the item.

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^ Thank you.

 

I suppose modern/contemporary bullion can also be/is manufactured using plastic/polymer threads, as well as traditional metallic ones.

HONORING FAMILY LtCol Wm Russell (1679-1757) VA Mil; Pvt Zachariah McKay (1714-97) Frederick VA Mil; BrigGen Evan Shelby, Jr (1719-94) VA Mil; Pvt Vincent Hobbs (1722-1808) Wythe VA Mil; Pvt Hugh Alexander (1724-77); Lt John R. Litton (1726-1804); Bvt BrigGen/Col Wm W. Russell (1735-93) 5th VA Rgmt; Lt James Scott (1736-1817); Capt John Murray, Sr (1747-1833); Capt John Sehorn, Sr (1748-1831) VA Mil; Pvt Corbin Lane (1750-1816) Franklin/TN Mil; Cpl Jesse D. Reynolds (1750-1836) 5th VA Rgmt; Capt. Solomon C. Litton (1751-1844); 1Lt Christopher Casey (1754-1840) SC Mil; Pvt Mark Adams (1755-1828); Pvt Randolph White (1755-1831) Bailey's Co. VA Rgmt; Capt. John R. Russell (1758-1838); Pvt Joseph T. Cooley (1767-1826) Fort Hempstead Mil; Pvt Thomas Barron (1776-1863) 1812; Capt. John Baumgardner (1787-1853) VA Mil; Pvt Joel Estep (1828-1864) Co B 5th KY Inf CSA & US; Pvt George B. Bell (1833-1910) Co C 47th IL Inf US; Cpl Daniel H. Barron (1838-1910) Co B 19th TN Rgmt Inf CSA; Capt Richard K. Kaufman (1908-1946) 7th PRG/3rd AF CCU; T-5 Vernon L. Bell (1926-95) 1802nd Spec Rgmt; PO2 Murray J. Heichman (1932-2019) HQSB/MCRD; PFC Jess Long (1934-2017) US Army; PFC Donald W. Johnson (1931-) 43rd ID HQ; A1C Keith W. Bell (1931-2011) 314th TCW; A3C Michael S. Bell (1946-) 3346th CMS; A1C Sam W. Lee (1954-2017) 2d BW; AW3 Keith J. Price (1975-) VP-10; 1Lt Matthew Wm Bell (1985-) 82nd Abn/SOC








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