Odd Lantaka, where was it made?

[cannonmn]

This Lantaka is about 48 inches long with about one-inch (25mm) bore. It differs from many others with its light green patina, much like that of bronze cannons made with 90/10 alloy. The cascabel has a roughly square cavity and not a cylindrical or conical one, like typical Lantaka. Where was it made please?

https://springfieldarsenal.files.wordpress.com/2016/04/image40.jpeg

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[josh stout]

I saw one like that recently that was firmly atributed as Thai. The regional lantaka design is a bit simpler than others, with a lotus flower muzzle. Unfortunately I don't know enough to describe diferences well, but the overall look of this oneseems very close to the single Thai example I have seen.

[kahnjar1]

These Lantaka are displayed at Fort Siloso on Sentosa Island, Singapore. The weathering colour is different on each, which I guess is due to different metal mix. There are also different styles here.