Rams Head Antiques has dated this piece to the Victorian era.

Having been born in Carlsbad, Bohemia, Wenceslas (William) Mussill worked at Sèvres before coming to England in 1870 to work for Minton. He specialised in making sketches from nature, painting in a free style with bold impasto under the glaze, a technique known as the Barbontine style. He executed a number of special commissions for Royalty.
The vase measures 26 cms high 22 cms wide by 9.5 cms deep
UK insured delivery is £20
Rams Head Antiques has dated this piece to the Victorian era.
You can view the stock and full dealer information on the Rams Head Antiques Profile Page