That is a very posh robot
and appears to be made by a master crafstman.
I think it's Thomas Chippendale, c1750 and if it were to sell at an auction would be worth in the region of 4000 - 6000 pounds.
/Antiques Roadshow
*clicks*

(
Flowerpot watches through the railings as they play, Thu 1 Nov 2007, 19:56,
archived)
Having just told the story of having been left the item
by a recently deceased favourite auntie and how it has SUCH sentimental value.
(
in vino veritas, Thu 1 Nov 2007, 20:00,
archived)