I'm not a baseball expert, but based on the name, I'm pretty sure a bamboo baseball bat is made of bamboo. =S
The common name for a bat is simply "bat."
Joseph Bat's birth name is Joseph William Andrew Bat.
Bats are mammals of the order Chiroptera. The name "Bat" alone has no scientific name.
Mang is the name of the bat in the jungle book.
A bumblebee bat!
A scientific name for a Bat is called Chiroptera.
Bat for Lashes's birth name is Natasha Khan.
The real name of the English-Pakistani singer Bat for Lashes is Natasha Khan. She uses the pseudonym "Bat for Lashes" as both her name and her band's name.
The bat (the mammal) is called pekapeka.
Juan Valdez is the name of a coffee expert.
If you were to get the bat authenticated, which means to have an expert verify that the autographs on the bat are legitimate, you may find a collector who would be willing to spend somewhere around 100-300 dollars for it.