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Mark McGwire opinions please

I'm not sure of the signature authenticity, help please. The Steiner cert has a sticker, however the photo does not so I'm believing this is a forgery. The seller has numerous of these listed and currently has nothing but McGwire signature's.

https://www.ebay.com/itm/MARK-McGWIRE-8x10-SIGNED-PHOTO-AUTO-AUTOGR...

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Permalink Reply by terrier8HOF on July 27, 2020 at 12:57pm

that one in the link is authentic. It was his abbreviated style he used during and some time after the HR chase.

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Permalink Reply by terrier8HOF on July 27, 2020 at 12:58pm

I also just checked out the other items, they are all authentic as long as they are originals.

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Permalink Reply by R. Tanner on July 27, 2020 at 5:48pm

Wow! Thank you. I know we should determine authenticity of each signature on it's own merit, however I failed to follow that rule and because the Steiner cert seems fishy I assumed it was fake even though I thought it was close enough for me to ask for opinions. Thanks, again.