Felixmuller, Conrad. MUTTER UND SOHN. Sohn 172. Etching, 1919. Printed in red-brown ink on cream wove paper. Signed, dated, titled and inscribed "kupferstitch" and with a signed presentation inscription in pencil at the bottom of the sheet. 9 1/4 x 5 7/8 inches, 235 x 150 mm. A very good impression in excellent condition.