I have a classmate who is also a pig fan. Her Show Lo posters are usually signed. Some of her ways to get it are group buying when the album is released, both in Taiwan Province and mainland China. She usually buys both versions. There seems to be a complimentary poster in the photo album, signed by Show Lo. If you want to buy genuine posters, there should be a fan club in your local area. You can contact them, or go to Luo Jiajun to contact the CSRC. After all, they need to know more.