It it tinned copper with a ferrous handle and 3 copper rivets.
Antique French 21cm Copper Frying Pan Skillet, Tin Lined Brass/Bronze Handle
LARGE ANTIQUE FRENCH RIVETED COPPER TIN LINED SAUCEPAN PAN LID JAEGGI REVERE 10"
Antique French Lollipop Copper Pan Lid 20cm with Cast Iron Handle
Antique French Lollipop Copper Pan Lid 28cm with Cast Riveted Iron Handle
Antique French Lollipop Copper Pan Lid 28cm with Cast Iron Handle
(ref1) 6 Antique French Graduated Copper and Brass Pans
