A guide to foreign silver coins - Coin Talk
2012年6月10日 · I got this from a website and condensed it. Its a nice cheat sheat for foreign silver. Austria- Imperial (Cornona and or Krone) Hungary. 1 Cornona/Krone 1901-1913 - 83% Silver. 2 Cornona/Krone 1912,1913 - 83% Silver. 5 Cornona/Krone 1900,1907-1909 - 90% Silver. Austrian Republic.
What's does the average coin shop pay a walkin for silver
2016年4月3日 · Paul M. Well-Known Member. There is no average coin shop, and what shops pay depends on what form the silver is in. Grandma's silverware is going to get a different price from vintage rounds/bars or ASEs or low grade 90% silver coins. Unless there's some additional collectible value, any shop is going to pay a little back of spot and sell for a ...
Do you like some patina on your silver coins? - Coin Talk
2021年1月11日 · Patina is the outer surface aging naturally. Copper darkens, silver tones, gold does nothing, (the impurities in the gold alloy is what darkens gold, either that or environmental deposits). How we use the word patina for ancients all modern coins are too young. Patina for ancient coins is the hard encrustation that protects the underlying metal.
How to Detect Cleaned Coins - Coin Talk
2018年11月24日 · When I look at a coin, I use a three-step process each time to determine if the coin is cleaned. The three steps are as follows: 1. Grade the Coin 2. Look at the Color 3. Observe the Surface Quality Here is a breakdown of each step: Step 1: Grade the Coin: Half of the battle is determining the coin’s grade.
Bullion Investing - Coin Talk
2012年10月11日 · Bullion Investing. Discuss gold, silver, platinum and other metals sometimes formed into coins and sold as investments.
Mintage figures of Canadian Silver Maples - Coin Talk
2017年2月25日 · Royal Canadian Mint Silver Maple Leaf Mintage by Year 1988: 1,155,931 ... Coin Talk. Home Forums > Coin ...
Blue toning on silver coin...natural? - Coin Talk
2018年6月29日 · With reference to the 1914 BWA coin, I have seen this type of coloring on silver coins that have been cleaned/polished and have then re-toned after the procedure. On the obverse behind the king's head, there appear to be polishing hairlines from rubbing, about 15 degrees off the vertical, and if this coin was to be dipped, these hairlines would ...
Calculating ASW of a silver coin.
2011年11月29日 · NorthKorea:The coin was done by the Franklin Mint and it is 0.925 Stirling Silver. Now I really want a panama 1978 proof set .. it has ~ 6 oz. ASW and looks great. wd40 , Nov 29, 2011
Various Silver Coin Cleaning Dips - Coin Talk
2019年5月29日 · The coin was upgraded 2 full grades. And the following day he put the coin into one of the auctions, it sold for $150,000 plus. So, there ya have it, a coin that was toned black. But when it was dipped the black was gone and the result was a …
PVC damage on silver coins - Coin Talk
2021年2月28日 · It really does look like oxide buildup. So, I would suggest that you try soaking the coin in 100% acetone. The acetone will not affect the metal. If the deposit persists, try soaking the coin in distilled water for several hours or overnight, and see if any of the deposit can be dislodged with a toothpick.