Well, it could be part of a message...
...or it could be that the dark blue in the seal sort of disappears when the seal is placed on a podium of the same dark blue, leading to the use of an approved variant.
So I read some replies to one of my tweets & got curious & wanted to read a bit of "The Last President" written in 1893 & page 5 it says, "The Fifth Avenue Hotel will be the first to feel the fury of the mob. Would the troops be in time to save it?"
Guess where Trump Hotel is.— Wyatt (@SayWhenLA) October 14, 2019