High period Spanish furniture

This high Spanish period piece is made of solid French walnut, and the interior is made of solid oak. It can serve as a secretary or TV unit. The top has a drop-down door with two chains. The bottom has two doors. The front features small panels hand-finished. Purchased in 1972 for 3,000 francs, which converts to approximately 3,000 euros today. I can provide the invoice. The internal measurements of the upper part are: length 90 cm - width 38 cm - height 55 cm. Made by French cabinetmaker Jean Cupiti.