The item in the image is a vintage Belleek creamer pitcher in the Nautilus or Shell pattern.
The pitcher is made of delicate, translucent Parian china with a glossy finish.
It is ivory in color with a subtle hint of yellow on the handle, base, and ribbon accent.
The design features swirled seashells and fine ridges embossed on the porcelain.
Belleek pottery marks are used to date the pieces. Depending on the mark, this pitcher could have been made between 1946 and 1980.