Please send scans of your original plates!!!
M15A1 - Mfd. by White - Made of Aluminum

M16 - Mfd. by White - made of steel

M16A1 - Rebuilt by Bowen-McLaughlin - Made of Aluminum

M2A1 was M2 - Converted by Bowen & McLaughlin - Made of Aluminum

M2A1 was M2 - Converted by Ordnance - Made of steel

Legend:
NAATT = Not Available At This Time SA = Screened Aluminum S = Sticker D = Decal EB = Etched Brass EA = Etched Aluminum CAST = Literally cast in a mold NOS = New Old Stock or surplus R = Reproduction
Example: EBNOS = Etched Brass New Old Stock or CASTR = CAST Reproduction