Hello and welcome to our forum. This site is an educational site and is not a free appraisal service. I would suggest cxontacting a dealer who might help you as to originality and value. The piece is marked with the geared wheel of the Deutche Arbeit Fronte, the NSDAP labor organization.
LIFE'S LOSERS NEVER LEARN FROM THE ERROR OF THEIR WAYS.
Thank you for the manufacturer's stamp information. I was not trying to overturn the apple cart regarding the value. Won't happen again.
I see these regularly on dealer-sites selling from $25-$45 online...JannsenMilitaria.com has dinnerware for sale in his miscellaneous section to give you an idea as to market rate ...