Eames RKR question  

Is the rod to which the base is attached the seat square (looks like it in the photo)? If so, it is an early version (first generation).

Square opposed to a rectangular mount? I zoomed in on mine then found another one that looks to be a bigger base mount. Tell me if this is what you mean.

Square opposed to a rectangular mount? I zoomed in on mine then found another one that looks to be a bigger base mount. Tell me if this is what you mean.

Yours is the earlier version.