"Union"   
Design registered on 5 February 1868, Parcel 4, Number 216451, by Adams, Scrivener & Co. of Longton.
Marks: moulded circular ring inscribed with title, registration number, and “A.S. & Co. Longton”, enclosing registration diamond

"Napier"   
Design registered on 13 May 1868, Parcel 1, number 218664, by Adams, Scrivener & Co. of Longton.
Marks: moulded circular ring inscribed with title, registration number, and maker's full name, enclosing registration diamond