Luv was written to promote a Lyons Maid ice lolly of the same name.
The ice lolly was launched in the UK on the 12th of May 1969 and in the television advert David Bowie is seen singing along on the Luv, Luv, Luv chorus.
Month of release information from Record Collector Magazine June 1994 p.225
Runouts are stamped