Keris Udan Mas for comment?

[Mans]

Hallo pak Udan Mas

I glad to meet you in this thread.

Perhaps, DhenTal is right, that your Tilam Upih keris has a Pamor Tunggak Semi and the gonjo called Gonjo Sumber. But, many keris like this has a Tunggak Semi.
If the keris have 2 or more pamor, it can be called Dwi Warna or Tri Warna.
But, in common sense, I supposed that your keris just has a 1 pamor, called Udan Mas.
The Tunggak Semi and Ngulit Semongko pamored just a background.

Regards,
Mans