The most menacing obstacle for a home run ball is Fenway Park’s left field wall, otherwise known as the Green Monster. Slab of green was once part of that mighty obstacle, a significant piece of baseball history and Red Sox memorabilia. "Jimmy Fund" raiser is framed beneath a sheet of Plexiglas and the Bosox logo. Sold in 1976 right after Carlton Fisk’s blast. 5x3”. .