Oscar Schmidt Autoharp - Chord bar on top, picking or strumming area in the middle, scale guides in the background, string anchor area on the bottom (2015.11.17 14.32.00 by David Hilowitz)
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/12176869@N00">David Hilowitz</a> from San Antonio, USA
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/dhilowitz/23549532175/">Autoharp</a>