I did say I might be wrong
Also found this at the same time, sounds same to my ear but not slowed down (which they do a lot in Belguim):
Which may point it to being an earlier recording that was not published until a lot later. But then again we may never find out!!!
I'd disagree with the comment of not being able to re-create a 60's sound now-a-days......there's plenty of records that have been made over the last 10-20 years that sound like they were recorded in the 60's. James Hunter has been mentioned, but also some stuff released on Daptone and The Kevin Fingier Collective/Acid Jazz to name a few that has an authentic sound, maybe not all soul but also R&B, New Breed R&B, Jazz, Boogaloo and Latin sounds have been copied/reproduced.
I've also seen plenty of unknown/little known 'live' groups over the past 20+ years that to me, sound like they've stepped straight out of the 60's.