Milk spot on silver coin
Milk spots are unsightly milky-like discoloration appearing on silver coins, particularly well known on Morgan silver dollars, silver American Eagles, and silver-composition Kennedy half dollars. Milk spots may be caused by a problem with the planchet or due to the coin having been exposed to Polyvinyl Chloride (PVC). The term "Milk Spot" as "coined" decades ago DID refer to ANY white spots commonly seen on silver coins DECADES before there was anything called a Silver Eagle produced. Milk spots seem to EVENTUALLY penetrate into the surface and become harder to remove. Thank you to RealRuler2112 for recommending this video! In this video we talk about milk spotting on silver bullion coins; how they come about and how to remove them! Thank You for watching and as The issue of milk spots on recently (last 10 years?) minted silver coins appears to be a problem related to the planchet (coin blank) production process. White spots (also called milk spots) are surface discolorations which sometimes mar the appearance of silver bullion products. Unlike tarnishing, which is a by-product of oxidation, white spots don’t have a single, predictable cause and this has complicated the search for an effective solution to a problem affecting silver bullion coin producers all over the world. It's likely there might be more than one cause for the spots, but generally they are caused by reaction of the silver with hydrochloric acid which remains when the planchets are insufficiently rinsed after a hydrochloric acid wash during manufacture. Milk spots are opaque, cloudy blemishes that can appear on silver coins after they have left the mint. The vast majority of Perth Mint silver coins are unaffected by this issue. However, when they do appear, it’s understandable that investors and collectors are concerned. Milk spots have been attributed to a range of potential causes.
Milk spots can occur on both bullion and collector coins struck in Proof and Burnished Uncirculated finishes, but they are substantially more common on bullion silver coins with .999 or higher purity, and are not seen on older coins with alloys, such as pre-1964 U.S. silver coins.
It's likely there might be more than one cause for the spots, but generally they are caused by reaction of the silver with hydrochloric acid which remains when the planchets are insufficiently rinsed after a hydrochloric acid wash during manufacture. Milk spots are opaque, cloudy blemishes that can appear on silver coins after they have left the mint. The vast majority of Perth Mint silver coins are unaffected by this issue. However, when they do appear, it’s understandable that investors and collectors are concerned. Milk spots have been attributed to a range of potential causes. Milk spots would not stop me buying silver for bullion purposes but if it was for a collection i would be annoyed at owning damaged goods as it were. If it was bought just to chuck in ye ole treasure chest arrrrrrrrgh, no problems buy away.When we the stacking community stop buying because of the spots they might listen, but the RCM have been all these modern coins will show spots. silver coins milk spots pure gold coins red spots it is a matter of time. and a few years down the line people will stop penalizing grades for it. it is a natural process like toning I know lot of people will disagree and that's fine. it is caused by high humidity 70% and up. They have a lot of interesting videos where they catch a lot of fake silver coins/rounds and then destroy them (some of the fakes they come across might surprise you). They also have a lot of fun with it and their videos are usually amusing and I find them to be pretty enjoyable as a fellow Silverbug/coin nerd. Enjoy
A breakthrough that significantly reduces the occurrence of milk spots. Availability : In stock. USD $20.18.
Milk spots can occur on both bullion and collector coins struck in Proof and Burnished Uncirculated finishes, but they are substantially more common on bullion silver coins with .999 or higher purity, and are not seen on older coins with alloys, such as pre-1964 U.S. silver coins.
25 Jun 2018 Milk spots are unsightly milky-like discoloration appearing on silver coins, particularly well known on Morgan silver dollars, silver American
Silver bullion coins are prone to “milk spots”, a whitish stain that forms on the surface of a coin. It is thought to be caused by detergents used in 25 Jul 2019 PDF | On Jul 1, 2019, Roland Haubner and others published Investigation of " milk spots" on silver coins | Find, read and cite all the research White spots — also known as "milk spots" — on silver bullion coins have been a concern for investors and mints around the world for years. While they in no way
Silver bullion coins are prone to “milk spots”, a whitish stain that forms on the surface of a coin. It is thought to be caused by detergents used in
Silver spot prices are extremely important in the buying and selling of precious metals. The spot price of silver refers to the price per troy ounce traded on various Milk spots can occur on both bullion and collector coins struck in Proof and Burnished Uncirculated finishes, but they are substantially more common on bullion silver coins with .999 or higher purity, and are not seen on older coins with alloys, such as pre-1964 U.S. silver coins. What is a milk spot? Milk spots are unsightly milky-like discoloration appearing on silver coins, particularly well known on Morgan silver dollars, silver American Eagles, and silver-composition Kennedy half dollars. Milk spots may be caused by a problem with the planchet or due to the coin having been exposed to Polyvinyl Chloride (PVC). Milk spots appear on bullion, proof, and uncirculated Silver Eagles from all minting facilities, and may appear as a single spot or in large, blotchy patches across fields and devices. They’re even Milk spots are those obnoxious, thin, white marks that arise on reflective silver coins caused by the annealing process. When a coin is manufactured, one of the final processes that it goes through is annealing, a system of baking and cooling the coin in order to prevent the silver from becoming brittle.
A breakthrough that significantly reduces the occurrence of milk spots. Availability : In stock. USD $20.18. I realize that this is bullion, but a good number of people collect Canadian Silver Maple Leaf coins, so I am posting this here. Time will tell. 7 Feb 2018 White spots on silver bullion coins have been a known issue in the global bullion market for years. The American Numismatic Association (ANA), the only coin collecting Join now to submit your coins to NCS! White “milk” spots on modern silver coins. Milk spots. Planchets, the round disks that are struck into coins, are usually washed after they are made. This helps to remove any contaminants and give the