Just some spotting putty and some paint (provided free by AMSEC). What you're seeing is in fact a hole. It's a hole through the putty down to bare steel. There is no hole in the steel. That white stuff that you believe to be the drylight looks familiar. Here's are other photos of the same safe: Think that's a hole through the 1/2" plate? Look! More HOLES! AND proof that AMSEC SUCKS! The shelves really did fall!