Vintage 1921 Vibroplex "Martin Junior" D1 Nameplate Telegraph Key on a 3" wide base, SN 81121. This version was only made from 1920-22. Used as-found untested condition. Please enlarge the pictures from your desktop computer to see better every little detail. Overall dimensions: 7 1/2" x 3" x 3 1/4" (2 lb. 11.2 oz.) Thank you for looking, and feel free to contact me with any questions.
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