13/11/14: Naylor Road, N20 – first find

As with the clear disc near Regent's Park on 9th July, not a CD as such but the "fake" disc that comes at the top of a CD-R spindle. This has a purple hue. And it looks as though someone has taken a bite out of it.

09/07/14: Clear disc near Regent's Park

Strictly speaking, not a CD. It's one of those transparent circles that sits at the top of a CD-R spindle.