Thread: David Hall auctioning his t206 master collection
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Old 07-19-2019, 09:11 AM
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Peter Spaeth
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Originally Posted by darwinbulldog View Post
Let's say it's acceptable if you just use your fingers but if you use any other equipment or any chemicals other than air and water it's no good.
I am only speculating. But I would guess
1-3 5-10 percent
4-7 20-40 percent
8 and up 50 percent or higher
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Last edited by Peter_Spaeth; 07-19-2019 at 09:12 AM.
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