BSA Standard rear sight blade purchased from a local retailer just last March still wrapped in brown greaseproof paper
Whats for desert ? maybe a something light like a meteor
I quoted the original post carefully.... "some shops" and "spares" (plural) just in case some smartarse came up with a one-off purchase.
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.