A keraton (?) keris in east javanese dress, where is the blade from?

[Wijaya34]

Hello everyone, I recently acquired this keris of unknown origin. The ivory hilt and sheath is in East Javanese style, adorned with what appears to be gold paint and kemalo. The blade's origins is unclear; the pamor resembles that of Javanese keris, but the greneng and overall gagah look of the blade suggest a Balinese influence.