Our friends are renovating and purchasing an induction range for the home. Knowing we love a couple of the Lagostina pieces we own they gave us three pots with copper bottoms. These are older ones and I'm having the devil of a time finding out what the models are. I'd like to see their specifications and make-up before putting away our older ones for our future budding chef's use when he moves out. I've exhausted search ideas and haven't heard back from the manufacturer (yet.... fingers crossed). I've attached a couple of pictures of the smallest of the three and would appreciate it if anyone had any input into the model or composition.