I'm usually pretty good at matching my found keys to their locks - or throwing them away and giving up! But I recently moved, and found a set of keys that I -know- are important, and that I got recently, and I yet have no idea what they're for.
There are two different keys on the ring, of the same style blank, 1 5/8" long. They are stamped with a code on the back, in the form A999AA. The logo is a large, stylized letter "N" with a stylized cylinder lock in the center. I thought the lock might represent the letter O, i.e. "NO Lock Company" (New Orleans?) but, predictably, searching Google for "no locks" is not fruitful...
I've uploaded a close-up of the key logos at
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If someone could take a look and let me know the manufacturer and, more importantly, the type of lock and where it tends to get used, I'd be much obliged.
Jay Levitt Boston, MA