Alexander Mueller (Muller), WI/California, 1872-1915.
This portrait of a young girl is carried out masterfully. She is facing left and signed Alexander Mueller , 1902. She is pastel on paper, 17 1/2 by 12 7/8 matted and framed. See a reference in "German American Artists in Early Milwaukee" by Peter Merrill. His paintings go at auction for $8000 and up.