Tiny hand saw but what's it called?

[skipskip]

about cig pack size

small part swivels to expose thin blade

I bet this has a name

any ideas?

Thanks

may181 by Skip Albright, on Flickr


may182 by Skip Albright, on Flickr

[lptools]

Hello, Skip. I am going to guess at Rabbet Saw, or, Stair Builder's Saw. Is the depth of cut adjustable? Regards, Lou

[turnnut]

can you show the blade in cutting position ?

[p_toad]

looks like maybe a stair stringer saw (as mentioned)...   
here's a fancier one about half-way down the page

http://www.disstonianinstitute.com/gallery2.html

[Northwoods]

It's really tiny, right?  and the smaller part is a blade protecter/cover, right?
Too small for cutting stairs.
Maybe frets for stringed instruments?