Is WD-40 good for cleaning coins?
I have some old coins that are a bit dirty and I'm wondering if WD-40 would be a good cleaning agent to use on them. I've heard it can be used for a variety of cleaning tasks, but I'm not sure if it's suitable for cleaning coins.
Is it OK to clean coins with soap and water?
I have some coins that are dirty and I'm wondering if it's SAFE to clean them using soap and water. I want to know if this method is acceptable for cleaning coins.