apprasial advice- (1963?) Yankees baseball- Updated more Picture added

hello, I am a coin and currency guy,
but my step mom has a baseball signed by Mickey Mantle
and about nine other members of the Yankee team then..
Her friend, the railroad police captain, got it signed for her when both were at a game....
I have no doubts about the authenticity, how should I go about getting it appraised?
Edited to correct my Dad's misspelling of Mantle

Edited agan to add the yea and picture added
but my step mom has a baseball signed by Mickey Mantle
and about nine other members of the Yankee team then..
Her friend, the railroad police captain, got it signed for her when both were at a game....
I have no doubts about the authenticity, how should I go about getting it appraised?
Edited to correct my Dad's misspelling of Mantle

Edited agan to add the yea and picture added
A witty saying proves nothing- Voltaire (1694 - 1778)
An error does not become truth by reason of multiplied propagation, nor
does the truth become error because nobody will see it. -Mohandas K. Gandhi (1869-1948)
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A witty saying proves nothing- Voltaire (1694 - 1778)
An error does not become truth by reason of multiplied propagation, nor
does the truth become error because nobody will see it. -Mohandas K. Gandhi (1869-1948)
A witty saying proves nothing- Voltaire (1694 - 1778)
An error does not become truth by reason of multiplied propagation, nor
does the truth become error because nobody will see it. -Mohandas K. Gandhi (1869-1948)
from my dad
Ball has has "Yankees"...and Spaulding with "Horsehide Cover'. ,
Yes, Mickey Mantle, Tony Kubek, Ed Ford, Roger Maris, Harry Bright and Steve Hamilton who are not on the 61 or 62 rosters so this must be 1963 roster, Yogi Berra right above Mantle's signature, Marshall Bridges, Hal Reniff, Joe Pepitone, Bud? Daley, Phil Linz, John Blanchard, Al Downing, Hec Lopez, Dale Long, Jack Reed. Jim Bouton, Tom Tresh, one very faint one , Ralph Terry and Elston Howard. The pitchers wouldn't be in the dugout, Mar says.
Just took a picture of the Yogi and Mickey side and will send it next
A witty saying proves nothing- Voltaire (1694 - 1778)
An error does not become truth by reason of multiplied propagation, nor
does the truth become error because nobody will see it. -Mohandas K. Gandhi (1869-1948)
That ball had some other HOFers including Ted Williams and Robinson that made it better, also it was an official league ball and PSA/DNA certified. It will cost you some money to get it certified, but it is a very good idea. Mantle and Maris are pretty high dollar signatures to authenticate. If everything comes as authentic with no clubhouse signature I would think you could get $800-$1,200 for it. If Mantle and Maris were both on the sweet spot it would be higher.
Do you think that some one other than mickey signed it in the dugout on his behalf?
I think it looks very similar to the sig in the link Allen provided.
My step mom said it was from a game she was at, and a friend got it signed during the game. I wouldn't doubt that multiple pens were used.
Thanks for you input so far, now how would you go about authenticating it, is there one place that is recognized above others?
(My step mom is a Notary Public, but I am sure her sworn statement would carry no weight.)
I also know that some places are less than honest, like the group that had a 1928G $2 bill with autographs from Ruth and Gehrig, Sigs looked legit, but the 1928G series of $2 bills weren't produced until the late 46-47, and when notified, did not stop the auction.
A witty saying proves nothing- Voltaire (1694 - 1778)
An error does not become truth by reason of multiplied propagation, nor
does the truth become error because nobody will see it. -Mohandas K. Gandhi (1869-1948)
Maybe do an ebay auction and spend the money for a psa/dna quick opinion (around $10) and see what they say before you spend the real money getting it authenticated.
The Mick looks legit to me .
The Maris looks clubhouse though to me
Don't know why two different pens were used .
On one of my baseballs , that has a Clubhouse Jimmy Burke they explain in the certificate that from the 1920's to the present day it is common practice for Clubhouse personell ( i.e. attendants, batboys,other players ) to perform the duties of " Ghost "Signing for ball players, Often a non malicious ritual .
Nice baseball , I'd say it's worth about 800.00, maybe a lil more at auction .
He does confirm multiple pens were used
Did Whitey usually sign as Ed Ford?
Ball looks a little whiter in these pictures.
Thanks again to all of you for your input- I am usually on the other side helping people identify their parents' coins and currency.
A witty saying proves nothing- Voltaire (1694 - 1778)
An error does not become truth by reason of multiplied propagation, nor
does the truth become error because nobody will see it. -Mohandas K. Gandhi (1869-1948)
The only thing I see that makes me even think twice about the Mantle is the C and the K in Mickey , not that it means anything, but I have not seen any so pronounced as this one .
It also looks a little wider , the letters look more spread apart .
I would just send it to PSA and just put it to rest .