this image is from a batch i bought many years ago from buffalo, NY. the family is greek and the image i used is mr. panayiotou. the letters on his “hat” are AHEPA which stands for: 

Founded in 1922 in Atlanta, Georgia, on the principles that undergirded its fight for civil rights and against discrimination, bigotry, and hatred felt at the hands of the Ku Klux Klan, AHEPA is the largest and oldest grassroots association of American citizens of Greek heritage and Philhellenes with more than 400 chapters across the United States, Canada, and Europe.

American Hellenic Educational Progressive Association