I recently purchased a MISB set of the high-end KO G1 Dinobots and overall think they're great. I liked them so much I ordered a second MISB set to open and display from a different seller but noticed that these have a couple of pre-applied stickers on them (but have complete sticker sheets) that my other set doesn't have. I thought that only one Chinese company made the high-end KO's. If so, why would some of the sets have a couple of stickers pre-applied while others wouldn't? Could this be a running change or are there multiple companies making high-end TF KO's?