Phillip Driscoll wrote:

> Yes, this is recognizable to most people whose native language is
> English. At least in the United States, the lowercase z in cursive
> handwriting is written this way. Some decorative type fonts have a
> z in this form, so it's seen fairly often in trademarks, etc.

So it's rather unlikely that this 3-shaped z-letter originates in Blackletter? But
where else would it originate?