Question about buying autographed footballs.

Simple question about autographed footballs. I am looking around eBay and wanting to pickup a couple auto balls for my father for his upcoming birthday. I see that for PSA/DNA there isn't too much to choose from. What other companies can I look for on the Bay that I can hopefully pickup a ball and not have to worry about it being fake?
As always thank you.
As always thank you.
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Also, many players have their own hologram's now. So any ball with a player hologram.
Raw: Tony Gonzalez (low #'d cards, and especially 1/1's) and Steve Young.