Specifically to me it sounds like a nylon-strung electro acoustic, combined with a dodgy recording like that one I can absolutely see it being that sound.
R.I.P. My Signature. Lost to us in the great Signature Massacre of 2014.

Quote by Master Foo
“A man who mistakes secrets for knowledge is like a man who, seeking light, hugs a candle so closely that he smothers it and burns his hand.”