Whats does the average coin shop pay a walkin for silver 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 little premium over spot
Removing Black Spots On Silver - Coin Talk Black spots on silver are usually silver sulfide Bleach will destroy that, because it'll oxidize the sulfide to something colorless But be really careful about thoroughly rinsing the bar when you're done, finishing with a rinse or two of DISTILLED water
Removing a coin from a lucite acrylic paperweight block. I was always of the opinion that coins entombed by lucite, epoxy or resin were irretrievable, but you really have a good solution I thought the substances adhered to the coins’ surface and that the coin would be destroyed if removed, and I’m thinking substances other than lucite acrylic may have that exact problem
Why do coins turn black? - Coin Talk Silver and sulfur REALLY like each other And the resulting silver sulfide is black That's why housewives spend hours removing tarnish from their silverware How do you prevent this from happening? Well, you really can't; mostly you can just slow the process way down These three are probably the most important: -- Store coins in holders that are archival quality -- Store coins in holders