Thought this may be of some interest to the keen BSA guys. Noticed for sale here in Australia.
Interested to learn more about these old beauties.
https://www.ozgunsales.com/listing/1...al_177air.html
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.