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From: Ron
Remote Name: 68.2.229.42
Date: 04/15/2008
Time: 02:21:18 AM
Chris, A dot-dating system was sometimes used with the Mercury mark. This can be found in Kirsner's The Mettlach Book under Mettlach Marking Systems. This may help you verify the 1890 date if the "90" is located below and to the right of the form number. Ron