Well Maurice, you know where i stand on this since i was the one to encourage you post it here. José has picked up on some of the same things that swing me towards an Indonesian Sundang, namely the reprousse work which doesn't look Moro to me and the double kembang kacang which can be found on an Indonesian Dhapur. I will be interested to see what other opinions come in.
It certainly is an oddity though and a really nice find.