(Thorssen, Nils). BACA VASE BY NILS THORSSEN for Royal Copenhagen.. Glazed with abstract designs in brown and red-brown. Marked with the crown, three wavy lines, Thorssen's mark, the style number 870/3258, and an unidentified painter's mark. 4 5/8 x 1 3/4 x 1 3/4 inches. In excellent condition.