Can you help to identify these frames, bikes or parts?

I will keep digging, although maybe not today, spent way too much time obsessing over this, and I didn't know anything about vintage bikes before last weekend. I really need to be doing other stuff, but I guess we all recognise this behaviour.

Only the older "A" frames had wrapover seat stays as far as i know,but i've never seen one with drilled lugs and i've had a fair few! Certainly not a AA super,this was the short wheelbase model with indented seat tube and wishbone stay.Pic of mine below for illustration.

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