Vintage American Bicentennial 1776-1976 Pinbacks For Sale

I have a list of Bicentennial 177-6-1976 backpins in the amount of 510. I am willing to sell all of them for a certain price if someone is interested. These are vintage pins that have not been worn. They have basically been in the box and wrapped for many years. So, they are Vintage with a brand new look which is remarkable. It's going to be $12 per backpin and a discount if you buy more than one.
Feel free to offer a price for the lot. Please message which backpin you are interestedin if you are looking for buying 1 pin and I can offer a discount if looking for more than one.George washington Backpin - 41Bicentennial Eagle - 1Patriate in battle - 1Declaration of indipendence - 4Single Flag - 175double flag - 64Paul Revere's Ride - 40Minute Man - 125Independence Hall - Phiadelphia - 106