Katz Combination Lock with Box, Tag and Instructions

This is a pretty cool padlock. Seems that the last one I saw was in 2009 (Here).

Made by National Mfg & Lock Co. With the original box, combination tag and instructions. To open the lock use the instructions on the instruction sheet with the numbers on the tag, not the numbers on the sheet. It took me a couple of tries but as you can see in the photos, I was able to open the lock. The box is complete but not in great shape - it is loose and tape was used on some corners. The lock itself looks like it was never used. - eBay (20 Nov 2013)

This padlock had a high bid of $472.99 (Plus Free Shipping).
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Vintage Katz Combination Padlock N M & L co.

A very interesting padlock. This is the first time I have sen one on eBay:

Here is a Katz pad Lock N M & L co.. No combination or key. Ha some dirt and marks on it.

[And added later]

Q: Yes, it is a combination lock for your information. In the Padlock Collector Book by Franklin Arnell it is valued at $240.00 Dec-12-08
A: Thanks

Q: Is this a combo lock? Does that dial turn? Tell me what you can about the mechanism. Dec-08-08
A: I am not sure how it works.Has a patent date of 1907 - eBay

This padlock went for $292.89 (Plus $6.99 Shipping).
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