Rams Head Antiques has dated this piece to the 1800s.
However, the robe has great presence and would furnish a large high ceiling room with equal grace. This has its original turned wooden knobs to the drawers and turned wooden hanging pegs to the cabinets as well as later sliding hanging rails.

The wardrobe comes apart into 4 manageable sections for ease of movement. The largest section is the central drawer cabinet at 42" wide 40" high by 20" deep. The side cabinets are 22" wide 22" deep and 60" high.
The overall measurements of the assembled robe are 81" in width 64" high, 22" deep.
Rams Head Antiques has dated this piece to the 1800s.
You can view the stock and full dealer information on the Rams Head Antiques Profile Page