This is the Uncanny X-Men #29 Alex Ross Sketch Variant 1:300 CGC Signature Series 9.8 signed by Stan Lee! This is the "75 Years of Marvel" variant cover.
The cover art was done by Alex Ross. This book was signed by Stan Lee on October 23rd, 2018, a few weeks before he passed away. This is an awesome collectible for any Marvel or Stan Lee fan! Please note: The CGC slab may have some minor flaws and minor Newton rings, but it is in good condition overall.The minor imperfections may be hard to see in the photos.