Sold in Mears 2 weeks ago, $880:
http://sports.mearsonlineauctions.co...rchvalue=black betsy&page=0&sortby=0&displayby=2&lotsperpage=100&category=1&seo=1922-28-Black-Betsy-(Joe-Jackson-Model)-H%26B-Louisville-Slugger-Side-Written-Professional-Model-Bat--
On Ebay for $10,000:
http://www.ebay.com/itm/JOE-JACKSON-...item3a79a522fc
I don't see any connection to Joe Jackson other then the bat has a Black Betsy finish, so do the Black Betsy Spaldings that sell regularly for 200-500.