This is an Antique Georgian Mahogany Drop leaf table c1810-30.  A great example with wonderful patination.  It is raised upon turned legs with the double ring turnings helping us easily date this Georgian table.  This versatile table can easily be put against a wall or brought out to sit 6 easily. 

When this was made our we had not defeated Napoleon and the Crimea War had not been thought of, we ruled the waves and had just finished our second War with America.

it is

27 1/4 inches high

18 3/4 inches wide

43 1/4 inches long

fully open it is 43 1/4 by 57 inches