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<p>[QUOTE=&quot;fiddlehead, post: 1226534, member: 31286&quot;]Oh, actually, I think I&#039;ve got it.&nbsp; A machinist in the 20&#039;s dipped into some metal cleaner, didn&#039;t like the way it came out, or forgot about it - it wound up in the bottom of his tool chest where it rubbed around a bit until all the little spaces were filled with grit - meanwhile all the raised spaces that weren&#039;t caked with grime toned.&nbsp; Then someone washed it hot water, removed some of the grime, and that left shine spaces around the stars and letters.[/QUOTE]</p><p><br /></p>

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