Thread: t205s with green borders
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  #11  
Old 12-23-2009, 04:29 PM
drc drc is offline
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This is merely speculation, but the T205s had a big and lengthy print run. It's plausible they used different metal alloys at different points, and the type of tarnish might relate to the particular alloy.
Last edited by drc; 12-23-2009 at 04:33 PM.
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