Ink holder set - 3 pieces, oval:

Ink holder set - 3 pieces, oval: c. 1930-40. Black marble with white veining. With oval ink holder, square paper clip holder, letter opener. Good condition. Size: oval: 5,5 x 35,5 x 24,5 cm, square: 1,5 x 11 x 11 cm, letter opener: 20,5 x 3,3 cm