![Is polishing silver coins using toothpaste powder ok? I found 2 war nickels and polished the one on the left. Some black metal oxide rubbed off on my hand. How much does Is polishing silver coins using toothpaste powder ok? I found 2 war nickels and polished the one on the left. Some black metal oxide rubbed off on my hand. How much does](https://preview.redd.it/zw9ox4ighnn01.jpg?auto=webp&s=b20449e6838fccd9a36ad9f18829d30a28ca099b)
Is polishing silver coins using toothpaste powder ok? I found 2 war nickels and polished the one on the left. Some black metal oxide rubbed off on my hand. How much does
Can I safely clean old 90% American silver coins by soaking them in white vinegar or will the silver coins be tarnished? - Quora
![Do you clean coins after purchase? (UNC on the photo) brushing with toothpaste and a finger : r/EuroCoins Do you clean coins after purchase? (UNC on the photo) brushing with toothpaste and a finger : r/EuroCoins](https://preview.redd.it/yp4yvpbbnxw41.png?auto=webp&s=6d4d6a540cb078a7bfd77efa4fb840cd9f9a4d10)