British Nails; maybe the underground sign on the thumb?
union jack nail
40 Amazing Patterns That Can Be Adopted Onto Your Nails | StyleCraze
Step by step Nail art
British Flag Union Jack Nails by ~TheNailFile on deviantART
Navy base with Union Jack British flag nail art by esnail - Perfect for London Fashion Week - Nail Polish Colors and Ideas - #nails #beauty
Must have for 2012 Summer.
Pastel British Flag Nails
British Flag Nail Art Tutorial
How to paint the Union Jack on your nails!!