Hello all!
It is rare to see the A-V 20".
I have never seen one fitted with a Kirby-Lauson.
These machines were introduced in late 1959 for the '59-60 season.
They were originally fitted with the Villiers 7F 2-stroke.
The original colours were red base / green engine
This machine is missing its front bumper / skirt.
They could be fitted with a grass catcher.
Voljon, you have a very rare lawnmower indeed.
It would be dated from the very early 1960s.
All very interesting.
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JACK.