Bookcase, vintage shelf from the 60s

Bookcase, glass shelf, vintage from the 60s. It is in 5 parts, a lower part with sliding doors with black handles, the upper parts are glazed (transparent and black), smooth glass without notches. Black metal legs with adjustable glides. Some marks and wear (a chip in the veneer) from use consistent with age. 2 pieces available height at each level from bottom to top: 31 cm, 24 cm, 24 cm, 21 cm, 21 cm.