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Message:: [QUOTE="GDJMSP, post: 2513489, member: 112"]The original question in this thread was - how can you recolor a Lincoln ? Well, my answer to that is, let mother nature do it for you. I've posted these pics many times before but I'll post them again for the purposes of this thread. Here's a Lincoln where I stripped half of it. This is the before pic. [ATTACH=full]534962[/ATTACH] This is the after pic. [ATTACH=full]534963[/ATTACH] Now, what did I do with it after that ? Simple and easy, let mother nature do it for you - I set in on a window sill and left it alone. Here it is 3 days later. [ATTACH=full]534964[/ATTACH] As you can see, that's a pretty radical change in just 3 days. And it illustrates just how fast toning can occur - simply by doing nothing. And here it is after sitting on that same window sill for 43 days. [ATTACH=full]534965[/ATTACH] Now the lower right quarter of the coin that didn't retone, well I did something else to that portion of the coin after I stripped it - I rubbed that area with a pencil eraser. Originally I was trying to show what different hings did to coins, and just how fast toning, or re-toning in this case, could actually happen. In other words I was performing several different experiments all at the same time and all on the same coin so you guys could see it all - just as an example, nothing more. So that's one way that copper can be recolored.[/QUOTE]