This wrench has the patented locking pin feature that will lock the jaws in place. Very cool feature. This wrench is completely functional. The jaws open to about 1 1/2" wide. It weighs about 1 pounds 8 ounces.
It is marked......
PATD IN USA "SUPERJUSTABLE" 12 IN
DROP FORGED J.H.WILLIAMS & CO ALLOY B
It has the typical scratches, tarnish, dirt, rust etc that you might expect to find on old tools.
$10 + shipping