In Beavers Short Pants, when June returns home from her sisters, she had this hat box, said Keneth Hopkins.
Searching online, Keneth Hopkins was a hat designer,Looks like some of his stuff was pretty pricey.
I could not find out too much about him.

a few auctions on e bay
http://www.ebay.com/sch/i.html?_trksid=p2047675.m570.l1313.TR0.TRC0&_nkw=Keneth+Hopkins&_sacat=0&_from=R40