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Unless it was refurbished and has a replacement barrel from WW2 era, it is hard to tell.
A WW1 era luger that went into police service almost is guaranteed to have been used in both wars, maybe not in battle for WW2, but many police were sent to the 'front' and used, plus some police were militerized.
Or you can find a bring-back that is from WW1 and brought back after WW2, but these certificates can and are faked....
Ed
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Edward Tinker
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Co-Author of Police Lugers - Co-Author of Simson Lugers
Author of Veteran Bring Backs Vol I, Vol II, Vol III and Vol IV
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