a -7.5 Bat is used. they are also called Senior league bats
2 1/4 inches
Is BPF 15 little league bat rating the same as 1.15
The Baden Axe is my 9 year olds treasured bat. YES great bat
yes as long as on the bat some where it says that this bat is approved for play in Little League
If the barrel is under 2 1/4in.
The Mickey Mantle baseball bat you have is a little league bat, and depending on age and condition could sell between $25.-$75. in used but not abused condition, to unused near/mint condition. Little League baseball bats will range in size from 28" -31" I will leave a link below to a Louisville Slugger bat dating Guide, and a link for information to other Mickey Mantle baseball bats.
average weight of bat in major league baseball
Easton Bat Company, Easton Pennsylvania
Little League from about 17-22oz Adult from about 28-34oz
yes
This can vary greatly from league to league and town to town. It is best to consult the game umpire for this information