When you take photographs, get views and closeups of all the externally visible markings.
Don't use a flash as the reflections make it difficult to estimate finish condition.
Take them outdoors in the shade (indirect light) and they should look good.
Use a tripod. Lack of focus or camera shake also make it difficult to judge a Luger.
Marc
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 Igitur si vis pacem, para bellum -
- Therefore if you want peace, prepare for war.
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