Oval PASSED sticker similar to this was attached to virtually all camera equipment exported from Japan between the 1950s to the mid-1980s. JCII stands for Japan Camera Industry Institute, and JMDC for Japan Machinery Design Center. These stickers were attached to camera products that satisfied minimal quality requirements and were not blatant copies of German camera products of the time.
The EM was also given quite a moniker inside the company. They called it “the Nikon for women” due to its styling (the exterior was said to be sculpted by Italian automobile designer Giorgetto Giugiaro who also happened to be stylist behind the DeLorean and 10 other Nikon cameras)