Keris from the Mataram period often show a calm, even Udan Mas pattern that reflects the refined court aesthetics of the era.

Udan Mas in Mataram Keris
The presence of Udan Mas in Mataram keris and its spiritual significance.
Indonesian Keris Heritage

The presence of Udan Mas in Mataram keris and its spiritual significance.
Keris from the Mataram period often show a calm, even Udan Mas pattern that reflects the refined court aesthetics of the era.