On Wed, 9 Jan 2019 dsi1 > wrote:
>
>The bottom does not appear to be aluminum and it quite hard. It has an interesting swirled finish.
>It looks like it was hit with a large wire brush. There are no manufacture's marks.
>It has "Made in France" in small letters inside the folded metal handle.

French pans are Faggot or Bi pans... like Greek style cookware....
whatever you do back up to a wall at a gyro joint.