length: 26 1/2"
blade: 20 5/8"
blade width: 1"
grip and pommel: 5"
guard: 4"
weight: 11.3 oz

Moro nautical pirate cutlass.
Blade and guard late 1700's to early 1800's, grip late 1800's to early 1900's.
One can see that the end of the tang is cloth-wrapped, which is a clear indicator for oceanic south-east Asian origins.
Quite rare and unusual deeply curved blade.