Difference Between 1950 Champion and Commander Grills

[TWChamp]

An easy way to tell the difference between the Champion and Commander grills spotted at a swap meet is to count the vertical bars.
The Champion has 10 vertical lines, while the Commander has only 9.

[unclemiltie]

You can also look at the backs and the champion has a larger area where the thickness is less of the grill. The commander has a little notch cut out but the champion has inches of the thickness reduced