Oaks.

[Ludwig]

To be frank: you can´t be serious!
If you want an OL, what do you do? You buy some good books about the subject. You search the net and read different threads/posts about the subject.
You can´t expect, that every time a KC or an OL turns up for sale, a staff of "experts" is there to point out every detail for you, again and again and again and...
I don´t want to sound unfriendly, but why not just take the advise and save some money?

[tystgaard]

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Well first I most say that I have not knowlege about godet Oaks. But they should match with known originals. If the tools/die used on the good variants not match, then its a problem. You compare the details with originals.

Nicolai