[mytec]

The pipe and backslash are beside the Z key as well, making the left side shift key narrower.

[1996]

This is because the picture is for a British/ISO layout, not out standard US/ANSI layout.

[0-_-0]

I think it copies the macbook layout, like so many other mini keyboards:

https://keyshorts.com/blogs/blog/37615873-how-to-identify-ma...