A piece of fenway park green monster

[EVAJOY91]

Just returned from connecticut from a collectors home. He took me to his man cave and this sign appeared. I just had to own it. I asked him where and how did he receive it and if it was the real deal. He told me that this piece came from a grounds keeper who took it out of the garbage in the spring of 1971. During early springs especially after a bad winter the green monster would go through a patch up job. He took it home and kept it in his attic. Sometime in the 1980's he had the yankees/boston scoreboard stenciled and displayed in his basement. I don't believe the green board was ever repainted. Take a look at the photos and if you have any opinions either way on the green color, if you think that it's original or repainted please let me know - thanks