Autographed Sheet Music Sinatra?

[Indian Steve]

While going through the pile, this piece of sheet music popped up with this signature on it. Please, someone tell me this is a Sinatra signature?

 

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[Mackaydon]

Sorry, to these eyes it doesn't look anything like Frank's signature:
https://www.google.com/search?q=sin...KEwigpez96snYAhUk7oMKHX3yAKYQ9QEILzAC#imgrc=_
Don.......

 

[Indian Steve]

Darn! I thought I was going to be rich.