In article ,
R.H. wrote:
This week's set has been posted:

http://puzzlephotos.blogspot.com/

660: Everone says it's an eraser, so I guess it's an eraser.
661: Possibly a piece made to demonstrate an optical illusion.
662: Looks like a blanking piece (installed) made to fill a hole in
something.
663: Obviously there's no truth in advertising, as it's neither
painted nor a post.

664: Looks like a dog tag.

665: A tool for bending metal; possibly another typewriter tool.
--
There's no such thing as a free lunch, but certain accounting practices can
result in a fully-depreciated one.