buying a Koufax for a friend and want to make sure it is a good one.
I am trying to buy a sandy Koufax ball for a friend and I want to make sure it is real so I would like some help.
The first picture of Koufax #1 is psa authenticated
#2 is an upper deck authenticated
#3 has no authentication and is priced right.
Thanks is advance for the help. I think all 3 are good.
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