1988 Topps Football rookie card #144 signed with blue Sharpie marker during a CSA Shows appearance by Seattle Seahawks linebacker Brian Bosworth. Guaranteed to pass the test of any "authenticator" you wish to thrust money upon.  Winner pays $ 5.00 for USPS shipping.  A word about authenticity...we have been collecting/selling autographs and memorabilia for 40+ years. So we're confident enough to offer items for sale whether we witnessed the signing or not. Your "industry experts" offer their opinion for a fee.  We offer a similar opinion for free. More importantly we guarantee each item we sell.  There is nothing nefarious or dodgy about what we do.  So if you are so inclined to pay for what is being offered as "the final word" in authenticity, do not fret as we will take back whatever any third-party did not care for.  We are not concerned with expert opinions.  Our guarantee is with our customers.  And our eBay feedback confirms our customer satisfaction.