One of our readers wrote to us and asked,

I wanted to ask you about a point that came up in the gold and silver book - when talking about storage there was plenty of practical information about the security aspects, and a glancing mention of the fact that silver will corrode/tarnish and so will need to be kept in a "sealed" environment. Could you possibly add some detail to that point? How sealed should it be? Absolutely airtight? Is there any way to clean it or reduce this problem without ...