Kadai Handmade Cast Iron 11"x4" Wok Frying Pan with Handles

This is a large hand made cast iron Kadai. 11in x 4in. I'm not really familiar with these types of traditional pans, so I'm not sure of the age. the only marking on it is a # 2 in a square as shown in the pictures. On the inside of the pan it looks like some of the rough surface was ground down to make it smooth. I'm not sure if that was done where it was made, or by previous owner, so I don't know if this has ever been used. there is no sign that it was used. I collect and refinish cast iron, and the area that is smoothed out should not effect the pans performance. No rust. I cleaned it and reseasoned it twice. Please see pictures for condition.