26 Bandonion AA, ca. 1947. Tre kor, 4’ + 8’ + 8’. 144 toner, Einheitsbandoneon. Ståltoner naglet på felles aluminiumsplater. Knapper i syntetisk materiale, celluloid belegg. Ny type utskjæring i dekselet med AA-mønster. 25 x 27 x 33 cm

26 Bandonion AA, ca. 1947. Triple voice, 4’ + 8’ + 8’. 144 tones, Einheitsbandoneon. Steel reeds riveted to common aluminum reedplates. Buttons in mother-of-pearl and synthetic material, celluloid veneer. New side plate pattern (AA). 25 x 27 x 33 cm