RARE Chivers of Cambridge ironstone marmalade pot

A rare antique 1lb white ironstone jam or marmalade pot, produced for Chivers of Histon, Cambridge, with their black advertising typography transfer near the foot of the pot.
The underside of the pot is impressed with the ownership typography:
CHIVERS & SONS LTD.
HISTON
CAMBRIDGE 
Dimensions:
7.9cm diameter 
11.6cm tall
Condition:
There are a couple of bruises on the rim, but no losses and in lovely clean condition otherwise with some light glaze crazing, stain marks and wear.