1920 s Slingerland nite hawk 5 string conversion . Very rare nite hawk model with full heavy brass’s tone ring and all original hardware, resonator and pot assembly . 5 string conversion neck is a Alvarez 5 string which has been set up with dowel stick as was the original . solid and all there with original finish and patina , New renisance head , Great open back with full suspended Donut tone ring built in the 1920 s high quality sounds great and plays easily . Open back or full resonator ,you decide . Great player for little money. 100 year old quality at price of a cheap import. A real sleeper that rocks