Valerie Main Ltd has dated this piece to the 1910s.

Superb Chelsea style ewer in excellent original condition, Factory marked with date code for c1910, signed H Chair to the body. App. 6.75" tall.
One of 2 ewers of this style being listed, a near pair with only minor differences to the reticulation and simulated jewelling.
Valerie Main Ltd has dated this piece to the 1910s.
Specialists in royal worcester and other fine english porcelain
You can view the stock and full dealer information on the Valerie Main Ltd Profile Page