This sauté pan has the same look and construction as the sauce pan so we are assuming it is a lamalle pan imported from mauviel since it came from the same source. Condition - this pan has just been professionally re-tinned, cleaned and polished.It turned out very beautiful with only a few marks reflective of its age. Particulars - the outside dimensions are 8 (15 1/2 w/handle) x 4. It weighs about 3 1/2 lbs. And appears to be 2 mm thick. The volume is about 3 qt.
About lamalle - charles lamalle was a frenchman who came to the usa in the 1920's and eventually became an importer of french made copper cookware, based in new york city. About caring for tin lined cookware - search - care for your copper cookware by cecile lamalle. This is a very good article written by cecile, daughter of charles. It is worth reading if you are considering tin lined copper cookware.