
Undated
RSR
The source describes impressed RSR in a Stafford knot; some examples include a manufacturing month and year, one being December 1877.
Pottery & porcelain · a closer look
The source identifies the device as a Stafford knot.

Undated
The source describes impressed RSR in a Stafford knot; some examples include a manufacturing month and year, one being December 1877.

Undated
The source describes impressed RSR in a Stafford knot; some examples include a manufacturing month and year, one being December 1877.

Undated
The Chelsea design was registered on 31 May 1875; one illustrated example also has a December 1877 manufacture mark.

Undated
The Chelsea design was registered on 31 May 1875; one illustrated example also has a December 1877 manufacture mark.