Welcome! - Type Set Coin Collecting. Grading the Color of Copper Coins. In order to properly grade copper coins you must be able to describe the color of the copper. Over time the brilliant orange/red color of a freshly minted copper coin, such as a Lincoln cent, will diminish and fade to a deep chocolate brown color. As this degradation of color occurs, there are varying degrees in which both red and brown colors will exist simultaneously on the surface of the coin. This color designation only applies to uncirculated copper coins. All circulated copper coins are assumed to be "brown. " The Chemistry of Copper Copper is an element with a chemical symbol of "Cu". Click on the images below to see a larger photo of each of the example coins.
Copper Coin Color: Red (RD) Image Courtesy of: Heritage Auction Galleries, Ha.com A copper coin when first struck exhibits a lustrous reddish orange color. Copper Coin Color: Red & Brown (RB) Copper Coin Color: Brown (BN) Shades of Copper. Silver Washington Quarter Values - Coin Values for Silver Washington Quarters. By James Bucki, About.com Guide Image Courtesy of: Heritage Auction Galleries, Ha.com This guide provides silver Washington quarter values for coins minted from 1932 to 1964. The table below has average coin values based upon the condition of the coin.
If the coin shows evidence of wear on it due to being used in commerce, it is considered "circulated. " Introduction to Coin Values There are many factors that go into determining the value of your coins. Market Analysis Silver Washington quarters are made of 90% silver and 10% copper. But don't expect to walk in to a coin shop with a big jar of silver Washington quarters and have the coin dealer dig through them to pull out the nice ones. Key Dates, Rarities and Varieties The following silver Washington quarters in any condition, are worth considerable more than common ones. 1932-D 1932-S 1934 DDO (Doubled Die Obverse) 1937 DDO 1942-D DDO 1943 DDO 1943-S DDO 1950-D D/S (D over S Repunched Mintmark) 1950-S S/D (S over D Repunched Mintmark)
Photograde Online. Current Melt Value Of Coins - How Much Is Your Coin Worth? Gold and Silver from CPUs. A while back, we did a little do-it-yourself salvaging of gold from motherboards (Can You Mine Gold From Old Motherboards?). But that’s not the only part of a computer where the rustless, unalterable metal is used.
It’s also in CPUs. Specifically, the element is used on the pins and on the mounting pads of the processor dies. Also, the small wires that connect the pads and the pins are made of gold. Here's the hard part, though: recovering the precious metal through do-it-yourself techniques. In this piece, we're also going to recover another precious metal: silver. Please note that the chemicals used in this demonstration are extremely dangerous, especially in the concentrations used. US Coin Facts, Mintages, Specifications, and more from Coin Community.
Richard's Token Database. Most Valuable U.S. Coins Found in Circulation Today. There are a number of fairly valuable U.S. error coins and die varieties in circulation today. These coins are overlooked by people because they have small distinguishing characteristics, such as a modest doubling of the coin image, or minute differences in the size or spacing of the letters in the legends. Learn which of your pocket change coins is worth a large premium over face value, and why. Note: Click on the images to greatly enlarge them and see details. Tip: Be sure to do your hunting with at least a 6x power magnifier so you don't miss anything! 1. 1969-S Lincoln Cent With a Doubled Die Obverse Photo courtesy of Heritage Auction Galleries This coin is exceedingly rare. How to Detect: Look for clear doubling of the entire obverse ("heads" side) except for the mint mark. Approximate Value: Around $35,000 or more in EF-40 or so. 2. 1970-S Small Date Lincoln Cent With a Doubled Die Obverse As with virtually all true doubled die varieties, only one side of the coin shows doubling. 7. 9.
Online FMV Rare Coin Price Guide Index - Retail Fair Market Value Prices for U.S. Rare Coins - Numismatic Values - the Official Price Guide of NGC and the Collectors Society.