...hard to say, usually the back of the tin has an address, my tin did not, so I'm speculating that it may have been a transition tin during the move?
Going by the insert address of 17 worship St., it dates to 1960-1968, and if it is indeed a transition tin, then it'd be '67 or '68.
Sometimes it's simply impossible to really know on a concrete date, the closest guess goes to certain periods.
Here's the tin: