Hi Phil
I have uploaded images that I have of blazer badges to an album - I don't have all of these, think I have about 20 varieties in my own collection.
Link here:
https://www.britishbadgeforum.com/fo...p?albumid=4544
Age wise I am not sure, but would probably go 1960's without having it in hand
Best Wishes
Dave
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Always looking for Observer Corps & Royal Observer Corps Items.
My Current 'Wants List' can be found
here