Delivery to my PO Box ~12.09.2009, an envelope with a cutout inside.

I know this shape fits in elsewhere, digging that up now.

Delivery contents:
Envelope front
Envelope back
Page inside
Page inside close-up

Click here to submit a clue for this page.
watcher 12/24/2010
I don't know if it's of any use, but I noticed "near a terminal" making a mention of Siemens 
in Slovakia at 
Both Nokia-Siemens and Siemens have factories in Chennai, India