Any opinions on this Hank Aaron bat?

http://cgi.ebay.com/1965-1968-R43-HA...QQcmdZViewItem

Does the "R 43" line up with factory records?

The seller says the bat has been "on display in a glass case for 30 years."

And what about the pine tar? Did hank use this much pine tar?

A diamond in the rough or just another old bat?

-bscott.