Did you see that this same jar is shown in photo #4 & #5 from the left?
I like this one, but there are really some pretty neat blue humidors, jars and crocks out there, which makes it hard to decide. I've got a $75 Ebay gift card to spend!
I also like this one:
...and this nice Fenton:
This one's registration # dates it to the 1880's
And this nice, large butter crock from 1900 - 1940, but it has a hairline on the front:
And there's this bean pot, but it's quickly being priced out of my price range: