This is a set of 4 vintage Sanrio Hello Kitty envelopes. They feature retro and cute designs from the late Showa to early Heisei eras, with motifs of kitchen cars selling hamburgers and ice cream. Set of 4 unused envelopes ©1976 Sanrio Original Design A rare item with Heisei retro design, now difficult to obtain. Due to long-term storage, there is slight aging, but the overall condition is good. Recommended for collectors and those who love retro stationery.