I've got three different spinners and believe that two of the three are reproductions but I'm not sure about the third.
The first was on the car and I had them re-plated. The face is wavy and has no machine marks; two casting lugs;the sides have no ridge and the inside says: 

The second is an older Corvette Central reproduction that has the flat machined face and a pretty good ridge on the ends of the "wings" but the side of the wings has no ridge and is somewhat wavy.


The third looks about the same as the Corvette Central repro on the face but there are no manufacturer markings inside. There is a distinct ridge on the edges and end of the "wings" and the sides are flat. There are fine machine marks throughout the reverse side and if you look closely, there are fine lines that run across the diameter at each of the 45 degree points.


Does anyone know how to tell an original from a reproduction?
The second is an older Corvette Central reproduction that has the flat machined face and a pretty good ridge on the ends of the "wings" but the side of the wings has no ridge and is somewhat wavy.
The third looks about the same as the Corvette Central repro on the face but there are no manufacturer markings inside. There is a distinct ridge on the edges and end of the "wings" and the sides are flat. There are fine machine marks throughout the reverse side and if you look closely, there are fine lines that run across the diameter at each of the 45 degree points.
Does anyone know how to tell an original from a reproduction?
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