but on the other side of it, is this amazing sort of sim poll. it is the dove and in the mouth of the dove is the word "liberty" so the notion of an enslaved african being the person to help define what liberty means in america is really a very important piece for us. and so this is going to be one of those rare things that people are going to be surprised to see. and going -- keeping with those theme of the military experience, one of the things we know is that african-americans from the revolutionary war really through afghanistan used the plil tear as a way to prove their worth, prove they're worthy of citizenship and this was never truer than during the civil war. what you see here are two types of civil war soldiers. and as you may know, by 1863, thousands of african-americans became soldiers in the union army and so you'll be able to sort of see that they had these images taken part as a way to document but part of the way to symbolize the pride of making the transformation from being enslaved or even being free but discriminated against to