HIDDEN LETTERS IN PICTURES

It contains the picture puzzles which will test your observation skills. In these picture puzzles, your challenge is to find the hidden letters or number in the given puzzle images.
In each of these picture puzzles, there is one letter or number mixed with other similar looking letters or numbers. Your task is to find these hidden letters in pictures. 
Answers of these hidden letters picture puzzles are given in this puzzle video. Post your answers in the comments.

Check Out Hidden Number Picture Puzzle with Answer