16/15 hammered dulcimer made by the David's Dulcimer company. Label indicates model SP644, which may be an earlier version of their current "Spinet" model. It has a figured solid maple top, birch ply back, purpleheart sides and rosewood bridges.
Dimensions are 38 3/8" x 19 3/4" x 20.5"
Case and two scissors-style stands are included. Shipping is $75 within the continental US.