Is all Hull pottery marked?

Yes, Hull pottery is marked. Pieces made around the turn of the 20th century feature either a wreath with the gallon size or a capital "H" positioned inside of a circle or diamond. In the thirty years that followed, the brand shifted to using "Hull USA," "Hull Art USA," or "Hull." After 1950, all pieces showed the word "Hull" in either script or block lettering. On 1stDibs, find a range of expertly vetted Hull pottery.