Good call James and Mitch,
Mitch, great point about the skirt boards.
The shooting accourtrements are also 19th century, though that doesn't date the piece.
In America, we call the brass pulls and this general style as “Federal Period” ca 1785 through 1825. Sometimes we refer to it as Sheraton as the English do, but they also refer to it as George III as he lived until 1820.
However, without an actual date on an original cabinet maker’s label in the piece, I don’t see how this piece could be said to be from 1780.
Guess I’ve been in FAR too many original period houses and antique dealers over the years. GRIN.
Gus