This solid wood (oak or maple ?) is probably from the 1950s. Government issued senior official desk, from NRC (National Research Council). Of course some use over time (including a coffee mug ring from an unknown bureaucrat). 5 drawers, one central with five-section tray, also wood, original). One large file drawer. Also has two slide out extension boards. All drawers dove-tailed. They don't make them like this anymore !! Not only heavy but large: 153 cm (5ft) wide 86 cm (2 ft and a half) depth 76 cm (2 ft 6 and a half) height. Desk is one piece, cannot be disassembeled. Large van or pick-up truck needed to transport. A working table for the generations !