This is a very rare piece I have been unable to locate another online, either past or present! However it does appear in the Royal Worcester Porcelain Book By Henry Sandon (see photo) and is likely to date from the 1860s making it a very early piece.

Brand: Royal Worcester
Origin: United Kingdon
Type: Figurine
Theme: Water Carrier
Style: Victorian
Time Period Manufactured: 1850-1899
Country/Region of Manufacture: United Kingdom
Subject: Old Grecian Style Water Carrier