This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
smithsonian institution smithsonianinstitution pilot airmail usps miller max millermax air goggles airgoggles smiling aviation uniform max miller maxmiller post office postoffice plane goggles aviator black and white blackandwhite portrait man norwegian male national postal museum nationalpostalmuseum mail across the commons mailacrossthecommons