yes it's definately a jarana tercera. i found severtal luthier pages for these instruments and a few players on you tube once i had the name. it is a descendant of the spanish baroque guitar accordiing to wikipedia. i would say renaisane guitar as the baroque guitar was double courses on all five courses,m however its very cool. now i need string if the old lute strings don't work.

it was $100 for a hand made instrument of good woods. it is a beauty of a new toy. as i say i am planning to convert it into a renaisance guitar. should be easy if i keep the fretts at least for a while.

thanks for the info