This is a matching pair of dataplates from the same aircraft.  The top dataplate is 90 mm long.  It identifies the aircraft with a werke or work number of 3302 as assigned by the manufacturer,  Albatros-Werke G.m.b.H.  The bottom dataplate is 100 mm long and it identifies this aircraft by the military serial number assigned by the  Luftstreitkräfte, the German Air Service, C.1356/16.  A photo of C.1356/16 has not been found but below is a photo of C. 1359/16.