Popular radio program on Mainichi Broadcasting System in Osaka in the 1990s: "Sumi kara Sumi made Ai na no ne" (Love from Every Corner) Fun talks by Junichi Kado. I found a coaster I received as a souvenir when I sent in a postcard. It's a set of 2, still wrapped. Unopened, but the wrapping is slightly torn. It's about 10 cm in diameter and 3.5 mm thick. Made of paper.