On May 18th 1978, the United States released a stamp to honour Dr Papanicolaou.
Referring to the publication of the stamp, the greek newspaper “Kathimerini” wrote on 24/10/1977: “The news is impressive, the postal service of USA, will issue commemorative stamp dedicated to the famous doctor George Papanicolaou.
He is the first Greek to be depicted on an American stamp and his respectable figure while travelling in the the entire Universe, will raise the prestige of our country”.
Also the newspaper “Vima” on March 1978 marked relatively:“ the publication of the stamp with which the memory of the Greek doctor G. Papanicolaou is honoured, is scheduled in the US for 18 May 1978. The worldwide “Pap Test ”,saves the life of thousands of women. This appreciable promotion of our famous compatriot, is owed to the persistent actions of the Greek Philatelic Society of Chicago”.