Toned ? Why Not

You only 'know it's AT if it is a poor job or you did it yourself or watched someone do it.

This falls into the 'poor job' mentioned above, using a sulfur containing liquid or gel. If it is done by gas using structured orifices and holder, it is almost identical to natural toning, and then it falls into the "time length of toning" and "intention" classification.

I think original toning is nice looking ( I do paint and like color), but I would not pay any large premium as many do for it. My own thinking, others disagree for financial reasons probably.

For scientific study of diffraction colors of different thickness layers of sulfides see

http://forums.collectors.com/messag...highlight_key=y&keyword1=color&keyword2=chart

Jim

 

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I was hoping you'd chime in. Thanks, Jim!

Chris