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.
Click here to submit a clue for this page.
I don't know if it's of any use, but I noticed "near a terminal" making a mention of Siemens in Slovakia at http://www.maydaymystery.org/mayday/texts/10-april30.html. Both Nokia-Siemens and Siemens have factories in Chennai, India