This OS-45C 21 chord Autoharp, # 900179 has a natural finish on it's Spruce soundboard.  The back is Maple with a sunburst finish.  The 21 chords are:  EbMaj, F7, AbMaj, BbMaj, C7, Bb7, FMaj, G7, Cmin, CMaj, D7, Gmin, GMaj, A7, Dmin, DMaj, E7, Amin, AMaj, B7 and Emin.  2 strap connectors are on the sides and 3 table top legs on the back. A semi-hard  shelled case is included.  Made in Korea.

21 Chord Autoharp by Oscar Schmidt