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#17 |
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User
Join Date: Jun 2002
Location: Philipsburg, Montana 59858
Posts: 250
Thanks: 0
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Hi policeluger,
To me this is a very simple question with a very simple answer. 1900 to mid 1936 = nickel tubes and mid 1936 to 1942 = blued tubes. In my opinion documentation has been provided as to when the blued tubes were officially issued. Perhaps you can provide official documentation to support an earlier issue date? |
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