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Since gold is impervious to most acids, which is one of its defining properties, the most probable method is wear and tear. The more it is passed around and handled, the more the gold will wear off. The gold plating content of a coin cannot be recovered as pure gold without an expensive smelting process.
What else can I help you with?
Who was on the 1971 24K gold US half dollar coin?
Your coin is an ordinary copper-nickel half dollar with a portrait of President Kennedy. It's not gold, just gold-plated. The plating was added by a private company that sold the coin as a "collectible" but it has no real value beyond 50¢ except as a curiosity. Coin collectors consider it to be an altered or damaged piece; in any case it would cost more to remove the gold plating than its value as a precious metal.
What is the value of a gold plated 1776 1976 US silver dollar?
$1. Gold plating adds no value to the coin and collectors view the coin as damaged. It is worth no more than face value.
What is the value of a super thin 1978 penny?
About 1.5¢ for the original bronze coin and maybe another half a cent for the plating. Gold plating is extremely thin, usually measured in hundredths of a millimeter, and it would cost more to remove it than you could get by selling it.
What is the value of a 1974 and 1977 gold plated US dollar coin?
Plated coins normally don't have any extra value to coin collectors. Even with gold's current (2011) high prices, standard plating is so thin that it would cost more to remove it than you'd make in profit.
1877 s half dollar liberty gold worth?
Your coin is plated. The US has never made a standard half dollar in gold. Unfortunately the plating has destroyed any significant collector value the coin may have had.
How many troy ounces is a 10 dollar miniature Indian head gold coin?
Zero. The fact it is a "miniature" should tip you off that it isn't a real US mint product. As such, it is most likely just gold plated and costs more to remove the plating than what the gold content is worth. As it isn't a US mint product it also has no collector value.
What is the value of a 1933 US 20 dollar replica gold coin?
The word REPLICA is the key. That means the coin is a copy, not the real thing, and is almost certainly made of base metal with a thin plating of brass or gold. Replica coins are generally not worth more than a few dollars and have little or no interest to coin collectors. Even if it's gold-plated the amount is so small that it wouldn't be cost-effective to remove it.
What is the value of a 1964 GOLD roosevelt dime?
The US mint did not make this coin, it was done outside of the mint an is gold plated or copper plate, but it still has value for the silver under the plating. It's worth about a dollar.
What is the value of a 1983 gold dime?
10 cents for the copper-nickel coin underneath and about a penny or 2 for the gold plating. The US never minted gold dimes - they'd be worth A LOT more than 10 cents, after all!
How do you tell the worth of a 1961 gold penny with 12-31-74 stamped on it?
The US has never made any gold one cent coins. It may look like gold (toning) or may have been gold plated, the counter stamped date or plating was not done by the US Mint and adds no value at all to the coin. The coin is worth one cent unless you find someone that wants it.
What is the value of a 1973 US gold dollar coin?
$1. There were no gold dollars struck that year, only copper-nickel. Your coin has been plated with a tiny amount of gold that would cost a lot more than a dollar to remove.
What is a gold penny worth with the dates 12-31-74 and 1969 stamped on it?
7-24-11>>> The US has never made any gold one cent coins. It may look like gold (toning) or may have been gold plated, the counter stamped date or plating was not done by the US Mint and adds no value at all to the coin. The coin is worth one cent unless you find someone that wants it.
