Kam Tin Theatre. While the sign is difficult to read, questionable street number and the curvature of the road, there is enough visual evidence that it was Kam Tin Theatre. Several exterior features of the theatre match those of a building still standing today. It is the Wellcome (correct spelling) Supermarket on the northeast corner of Kam Tin Road and Tai Hong Wai.
Photo source : uwants.com - post #1649 by user 4rex - http://www.uwants.com/viewthread.php?tid=14833421&page=110#pid211502384