Extremely rare, hard to find Sanrio retro notebook case, 1992, Pero wa Tomodachi (Pero is a friend) There is deterioration and damage. Please understand this is a retro item. Sanrio Pero's Snack Time Ring notebook case, dog, white dog, autograph book Fancy character Nostalgic, rare, discontinued Showa retro, Heisei retro, pop Gingham check, pink, 90s