derivative work of the following images: File:Vietnam_noibaiairport_passport_stamp.JPG licensed with PD-self 2009-12-20T04:08:38Z Slleong 2598x1453 (1664572
image is a derivative work of the following images: File:Kosovo_stamp_annulled_by_Serbia2.jpg licensed with Cc-by-3.0 2010-01-08T05:32:07Z Slleong 1069x1067