This is the very same wood as English Elm (Ulmus procera). English Elm is typcially called Carpathian Elm when it is in burl form.
Carpathian Elm burl (sanded)
Carpathian Elm burl (sealed)
Carpathian Elm burl (11? x 8.5?)
Carpathian Elm (psaltery)
Carpathian Elm (closeup)