Antique Furniture Direct has dated this piece to the Victorian era.

Construction/Wood:
Oak
Condition Report:
Marks and scratches commensurate with age. Old mends to the base (see photos). The rise and fall action works but is slightly wobbly when extended. Slight mark to the leather top. Evidence of old worm holes to the underside of the seat.
Dimensions:
Height Fully up: 23"
Height Fully Down: 19.5"
Diameter of Top: 12"
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Delivery:
£34.95 to mainland England/Wales via courier
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Antique Furniture Direct has dated this piece to the Victorian era.
You can view the stock and full dealer information on the Antique Furniture Direct Profile Page