Legendary Japanese Ball Players - Unusual 2-D Dual-Image Mint Sheet of Oh & Enatsu

By tilting this unusual plastic "2-D" mint 1972 commemorative sheet from Manama, the image changes between two of Japan's most famous baseball players: Sadaharu Oh, holder of the world's lifetime home run record at 868 home runs; and Yutaka Enatsu, one of the world's greatest pitchers with a record 401 strikeouts in a single season. Sheet size approx. 2" x 4" (Manama Mi #918)