Official unbranded baseball signed in black ink on the sweet spot. The upper panel bears a date notation in an unknown hand of June 17, 1948, the same week Ruth’s number was retired at Yankee Stadium and just two months before he would pass away. Overall toning, soiling, and staining, scattered scuffs and dings (affecting portions of signature), and the signature light but legible, otherwise very good condition. Accompanied by a full letter of authenticity from PSA/DNA. Single-signed Ruth baseballs are one of baseball’s most desirable artifacts—pristine examples can reach into tens or even hundreds of thousands of dollars, and this baseball represents a respectable, legible example of this crown jewel of the collecting world. RR Auction COA.