This image obtained from AP video shows a tag with the text ''K.L. Dachau'' seen through the f-holes of a Dachau-built instrument dubbed the ''violin of hope'' in Magyarpolny, Hungary, Tuesday April 22, 2025. (AP Photo/Nikolett Csanyi)
Art collector couple Tams Tlosi, left, and Szandra Katona inspect a Dachau-built instrument dubbed the ''violin of hope'' in Magyarpolny, Hungary, Tuesday April 22, 2025. (AP Photo/Nikolett Csanyi)
Tags from its maker are seen inside a Dachau-built instrument dubbed the ''violin of hope'', in Magyarpolny, Hungary, Tuesday September 8, 2020. (Szandra Katona via AP)
Art collector Tams Tlosi holds a Dachau-built instrument dubbed the ''violin of hope'', in Magyarpolny, Hungary, Tuesday April 22, 2025. (AP Photo/Nikolett Csanyi)
A handwritten and hidden tag in Silesian dialect (mix of Polish and German) inside a Dachau-build instrument dubbed the ''violin of hope'' reads: ''Trial instrument, made under difficult conditions with no tools and materials, K. L. Dachau. Anno 1941, Franciszek Kempa'', in Magyarpolny, Hungary, Tuesday September 8, 2020. (Szandra Katona via AP)
A man holds a Dachau-built instrument dubbed the ''violin of hope'', in Magyarpolny, Hungary, Tuesday April 22, 2025. (AP Photo/Nikolett Csanyi)
This image obtained from AP video shows a tag with the text ''K.L. Dachau'' seen through the f-holes of a Dachau-built instrument dubbed the ''violin of hope'' in Magyarpolny, Hungary, Tuesday April 22, 2025. (AP Photo/Nikolett Csanyi)
