The Holy Grail of Dylan recordings?

Thanks to Anthony Varesi:

“While scanning new eBay listings of Dylan compact discs, I came upon the following item:

cgi.ebay.ca/Bob-Dylan-RARE-and-UNRELEASED-recordings-Sunset-Studio_W0QQitemZ200075556819QQihZ010QQcategoryZ307QQrdZ1QQcmdZViewItem
“$12,500 US for one song? Is this the Holy Grail of Bob Dylan recordings? For that price, it had better be.”