A Sumatra Keris with twisted core blade und Gonjo

[Jean]

Originally Posted by A. G. Maisey

The blade is actually Madura Sepuh (old Madura), which of course makes it East Javanese, as is the wrongko.

Blade and wrongko are correct, just get an appropriate hilt for it, East Jawa planar would look good.

Thank you Alan. For our education and reference, what makes this blade an old Madura piece?
Tatiana, more detailed pictures of the blade would be welcome to allow a better evaluation.
Regards