This crock came to us from a collector who claimed it is rare and valuable. Most of the rim was broken off and missing. There are more than one method to create a new rim but in this case, given the required continuity and unevenness, throwing the rim on the potter's wheel was the selected option.
If you need to see the a more detailed tutorial covering mending, filling, sanding, painting and glazing, visit this link or below
Step-by-Step Illustrations: