Advertisement for the 1976 Tour
This ad was published in the MUZAK magazine from June 1976. Obviously TD had plans to tour Italy shortly immediately after their UK concerts earlier that month. Since apparently nothing about these concerts is known to fans (let alone any fan tapes) it must be assumed that these dates have been cancelled.
Thanks to Jacob Pertou for uploading this scan to his blog.
(Click on the image to see a larger version of the ad in a new browser window)