Bidspirit auction | Unknown 19th-century artist, Portrait of

Unknown 19th-century artist, Portrait of a - Unknown 19th-century artist, Portrait of a man, academic charcoal drawing on brownish paper, indistinctly signed “Oscar Winther” (?) in the lower right corner and indistinctly dated, 41 x 32 cm, framed under glass 46 x 37 cm