Frame armchair Régence period first third18th century

Large armchair with frame (the back and seat are removable) in walnut, finely carved with foliate scrolls ; the four legs are joined by a wide “X” brace. Upholstered in herringbone chased velvet.
Parisian work, early Regence period, first third of the 18th century.
Size in inches : wide 26 X depth 21 X height 47