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General Silver Forum Gold Filled vs. Gold Plated
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Author | Topic: Gold Filled vs. Gold Plated |
Scott Martin Forum Master Posts: 11520 |
posted 02-17-2017 03:53 PM
I understand the Gold Plating process essentially is the same process as Silver Plating. I also understand that a Gold Filled object has substantially more gold than than a similar object which has been Gold Plated. What is the process of Gold Filling? Is Sheffield plating comparable? IP: Logged |
Polly Posts: 1970 |
posted 02-17-2017 04:26 PM
My understanding is that gold-filled objects are analogous to Sheffield plate: a thin sheet of gold is bonded to a base metal, usually brass. Happy to be corrected if I'm wrong! IP: Logged |
agleopar Posts: 850 |
posted 02-17-2017 09:17 PM
Yes just like Sheffield plate. Gold filled is fused and then rolled or drawn for wire. The proportion of gold to base metal stays the same through the rolling. Usually gold filled is double sided so the thick core is sandwiched between thin plates of gold. Like Sheffield plate the edges need to be disguised by rolling them over or adding a solid wire for example. Unlike gold plating, which is 5 to 15 microns gold filled can be engraved. IP: Logged |
Kimo Posts: 1627 |
posted 02-18-2017 08:57 AM
quote: Sometimes yes, sometimes no. If the metal that is being clad on one object is low such as 10K while the gold in the plating on another object is high gold content such as 24K, then that will make a difference. Also the thickness of the gold that is being clad vs the thickness of the deposited gold in plating will make a difference. Gold filled normally means that 1/20th of the weight of the object is made up of the gold cladding alloy but I am not sure that there is much intensive proofing of this amount in countries where there is little control on markings. In any event, since there is so little metal even when the 1/20th standard is met, and since it is typically only 10K or 14K gold, and since gold plating can be almost any thickness with quality objects having thick plating, it is hard to say that gold filled will always have more actual gold than plated gold. Perhaps in more cases than not gold filled will have more gold than gold plated, but not always. In either case, I do not think that the amount of actual gold will be such that the commercial value of a quality piece of gold plate will be much different than a piece of gold filled, especially on quality plated objects. [This message has been edited by Kimo (edited 02-18-2017).] IP: Logged |
Scott Martin Forum Master Posts: 11520 |
posted 02-18-2017 10:09 AM
Thanks everyone! IP: Logged |
ahwt Posts: 2334 |
posted 02-18-2017 11:33 PM
16 CFR 23 contains the GUIDES FOR THE JEWELRY, PRECIOUS METALS, AND PEWTER INDUSTRIES. Wikipedia also has an entry for this subject. I am not sure that this adds anything to the above discussion, but it is nice to know that the industry has standards that they have agreed to. IP: Logged |
Paul Lemieux Posts: 1792 |
posted 02-19-2017 07:57 PM
Legitimate gold-filled jewelry contains enough gold to have value. In fact, if a 1/20 12K GF piece is honest, its melt value is nearly 2x that of a sterling piece of the same weight. IP: Logged |
Scott Martin Forum Master Posts: 11520 |
posted 02-20-2017 09:50 AM
This is the mourning fob that prompted the question.
IP: Logged |
Paul Lemieux Posts: 1792 |
posted 02-20-2017 10:42 PM
It looks like the inside of the clasp is marked "F&B". This might refer to Foster & Bailey, a jewelry manufactory in Providence. IP: Logged |
Scott Martin Forum Master Posts: 11520 |
posted 02-21-2017 09:34 AM
Yes we thought so as well. IP: Logged |
Scott Martin Forum Master Posts: 11520 |
posted 03-14-2017 06:07 PM
IP: Logged |
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