The following is drawing #26 by Christian Gobrecht was taken from "From the Drawingboard of a Coin Engraver" by Elvira Clain-Stefanelli and published in the ANA Centennial Anthology. It shows Liberty wearing a helmet adorned with an eagle. This is believed to be the inspiration behind the design by William Barber used on 1877 half dollars J1526-J1531/P1694-P1699 Photo is a scan from page 90 of the ANA Centennial Anthology.