I pulled that off the top of a stack of my vintage stuff. I kind of remember the "Z" being broken, but not really certain. This is only one of my C= 64s. This is the style I had when I was a kid. I got one when I was in about 4th or 5th grade. I really enjoyed it, even though I didn't have any magnetic media, so I could only program until I turned it off.
I cleaned this one up a bit. First, with a can-o-air, then with a wipe-down. Here's the after shot:
I don't know if it works. I haven't tried it in a long time. If I do, I'll be sure and post details here.
Here's a couple more pictures of the Commodore 64: