Hello Kirky2, Gizmo, Aussietrev, Members & Guests,

I've recently posted some of the Victa catalogues:-
https://www.outdoorking-forum.com.au/forum/ubbthreads.php?ubb=postlist&Board=152

My best guess is the 1969-70 or the 1970-71 lawnmower season.
Maybe one of the Victa experts will confirm this.

Hope this helps.
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JACK.