Cuphilt Sword with Damascus blade?

[kai]

Are you arguing that this is a conventional European 18thC blade where lamination patterns were revealed due to thorough cleaning and chemical treatment?

I'm pretty sure that the laminations were enhanced by such treatment. A well-known example are the much earlier blades studied by Stefan Mäder: http://www.schwertbruecken.de/pdf/staehle.pdf

I'm stipulating that this might very well be a genuine European blade if the experts can't find any solid evidence that it doesn't fit. IMNSHO, just going by the unusual appearance is not compelling though.

Tell me which period this blade may originate from? I can't exclude it being a later reproduction but a few knowlegable folks here seemed to ponder whether it might be an older, refurbished blade.

I can positively state that this blade wasn't crafted by any traditional Moro bladesmith.
(Visayas and the whole Indo-Malay archipelago seem extremely unlikely as well...)

Regards,
Kai