Fw: Early and late bonnets. Difference?

One of the differences is the RB cars did not have the polished aluminum(??)
trim on the bottom of the front edge of the hood (bonnet for you purists).
The earlier cars had it so the shiny would encircle the air flow opening.

Subject: Early and late bonnets. Difference?


>   Moss lists two bonnets, one up to car #183739, and
> one for after that.
>
>   Does anyone know what the difference is?
>
> --