In 1949, the Otoshidama-tsuki yubin hagaki (nengajo with lottery numbers) was sold for the first time (the first New Year postcard as the official postal card), which attracted public attention and became a huge hit.
1949年、お年玉付郵便はがき（年賀はがき）が初めて発行され（官製はがきとしては初めての年賀はがき）、大きな話題を呼び大ヒットした。