Bought a pair of Lemforder upper control arms on ebay and received one packaged in a plastic bag with Lemforder on it the other one with a clear bag and a Mercedes Benz parts sticker on the control arm itself. Is this an original MBZ upper control arm?

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1979 Black on Black, 300CD (sold), 1990 Black 300SE, Silver 1989 Volvo 780, 1988 300CE (vanished by the hands of a girlfriend), 1992 300CE (Rescue).