When I saw the first few words in your title, I was transported back to when I first asked a question on this forum. Which was, yikes, almost ten years ago.

The bike in question was also a 1957 Elswick Hopper, it turns out. The model was a Vampire. One of the coolest looking paint jobs and graphics I had ever seen. It was too small for me and I ended up selling it. To guy who told me he was starting a small E-H museum somewhere in the UK. Or maybe he was just BS' ing me, I don't know.

Very nice old bike and great job on the restoration.