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Excellent resource, probably the best book on the subject. This book has helped me to become more familiar with and ...

excellent brush. I have tried to buy similar in the UK but have not found any that are as long ...

Never used this stuff before but when I recently discovered some of my ancient bronze coins with areas of active ...

This assortment of chemicals comes in very handy when cleaning ancient coins as I sometimes over clean and remove some ...

Good value way of trying the range. Very effective and simple to use. They act much quicker than I expected, ...

perfecto, funciona muy bien! - Outstanding Product! ...