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Is there anybody here knows if some of Pavarotti's autographs are sec? I saw a seller on eBay posting a picture that compare his authentic and sec. I try to find out if there is any actual information about it, but I can't find anywhere. Here is the link of that seller. Thanks.

http://item.mobileweb.ebay.com/viewitem ... 4776708786

I purchased this from a reputable dealer if it is any help.