lead plaque" and select images.
I found several of yours with better quality
These lead plaques were made from very few moulds so many are identical.
First make sure you have the right wavy top. There is a type
where the top bits are taller and rounder.
Then when you have the right top, make sure you have the one where the images in the body is a square, not the one with the large circle
in the square body.
There were several images that came up showing much more detail than the ones you posted - one from an old flea-bay auction
, one from worthpoint dot com
you have is Ertl F1, though almost no one knows how to catalogue
these so you will rarely see it referred to that way.