You are purchasing the Webster "Bow Tie" Magneto Reproduction Nameplate These are 2.093" X 1.453" .020" etched brass.
This nameplate is used on:
All Webster Flat Bar magnetos.
The Podlesak Large Websters with the 2 Pc. covers under the magnet.
The last 2 photos show the proper mounting of the nameplate on the longer cover.