I don't know what a Sponsor sheet is, but the back of the picture has a brief description of Wood Brother Racing, Michael Waltrip stats, 1997 Citgo Ford Thunderbird Race car specifications, as well as the 1997 NASCAR Winston Cup Series Schedule. The signature was signed by Michael Waltrip, he had also signed a ball cap at the same time, but sadly, I cannot find the cap or would have included it.
I don't know what a Sponsor sheet is, but the back of the picture has a brief description of Wood Brother Racing, Michael Waltrip stats, 1997 Citgo Ford Thunderbird Race car specifications, as well as the 1997 NASCAR Winston Cup Series Schedule. The signature was signed by Michael Waltrip, he had also signed a ball cap at the same time, but sadly, I cannot find the cap or would have included it.