An official Major League Baseball hand signed by former MILWAUKEE BREWERS outfielder ROB DEER. The signature is blue pen with the inscription "230 HR's, 600 RBI's". DEER was a member of the BREWERS from 1986-90!. This ball was signed at a private signing with us. This would make a great addition to any Brewers collection! This item is guaranteed to be 100% authentic and will include a COA from JSA authentication.