Antique ironstone Queens Pudding Boiler - Challis Patent No.14

A Victorian white ironstone pudding boiler bowl, decorated with a black belted under glaze transfer for ‘The Queens Pudding Boiler - Challis Patent No.14’. 
Dimensions:
12.9cm diameter 
9cm tall
Condition:
In lovely, clean condition with no damage. There is a small star in the bottom of the foot which has stained slightly, along with a glaze manufacturing fault on the rim and a couple of other small glaze spots. There is also ever so slight fade to the top right portion of the crown in the transfer.