For those with US connections or who happen to be a resident:
http://www.gunauction.com/buy/13563848
Vintage Airguns Gallery
..Above link posted with permission from Gareth W-B
In British slang an anorak is a person who has a very strong interest in niche subjects.
tge mk 2 is quite common overhere
they madethe mk1 series then the mk2 series
Then the mk3
It made $960 under the Hammer - 1st series S701