This is a VINTAGE, ORIGINAL,New Old Stock (N.O.S.) "Landau" Wire Wheel Center Emblem Trim
I believe this is part number 14008979 and fits 77-81 Chevy Landau models (I am not an expert in this territory)
**Item has some imperfections (dents / marks) - See photos!! Still has original backing/adhesive paper on the back.
Diameter - 2 9/16"