Set of 6 Kero Kero Keroppi postcard cards from 1989. - Character Name: Kero Kero Keroppi - Quantity: Set of 6 - Year of Manufacture: 1989, 1988 - Copyright: Sanrio These items are approximately 37 years old. There is some soiling. There are small scratches. The material is not paper, but a plastic-like material. They are sturdy. As these are vintage items, please refrain from purchasing if you are sensitive to imperfections. Thank you for viewing. Showa Retro Vintage Items Collection Sanrio Postcards Hagaki (Postcards) Letter Sets Hallmark