this BSA wm20 was for sale - and still was at the end of the 2 day Ballarat Swap meet last weekend 25/26 Feb 2011 - price $5,500 with spares
Brian Forth
This M20 was at Bendigo and Ballarat swapmeets last year.
I had a harder look at it again this year a bit tatty for the asking price IOM. Also note the Allparts Amal repro carb made from bronze here in Melbourne around the 40's or 50's due to lack of spare parts.