Are these La Fonda legs?  

second image of la fonda legs in question
I placed an image earlier, but it was so small, I re-posted another image. Again, my chair is the white base that I was told is La Fonda. Is this first image also a la fonda leg?
Thank you for your help.

No. Black and silver aluminum...
No. Black and silver aluminum base is not LaFonda. White base you show is.

The "contract" base is in...
The "contract" base is in the first picture.

Thanks for
your help in determining the correct legs for me.