From L.A. California
http://www.ebay.com/itm/Vintage-Trojan-Wrench-L-A-Cal-/200656684806?pt=LH_DefaultDomain_0&hash=item2eb8120706
1933 patent date.
The patent office seems to have misplaced the patent drawings for this one..
Patent office has only second page not the first or second.
It's on DATAMP at:
http://www.datamp.org/patents/displayPatent.php?number=1968783&typeCode=0 (http://www.datamp.org/patents/displayPatent.php?number=1968783&typeCode=0)
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Sold for $19.99