ISSUED: August 12, 1938
PAPER: Watermarked double cross on pyramid
DESIGNER: Alexander Legrady
PURPOSE: To honor Budapest Philatelic Exhibition or Third National Philatelic Exhibition.
PICTURE: The 20 f carmine of the St. Stephen set-St. Stephen seated on the throne.
NOTES: 100,000 issued. Sold at the exhibit post office only in exchange for a coupon attached to each admission ticket. A coat of arms on either side of the stamp; “Orszagos Magyar Belyegkiallitas” across top (III Hungarian Philatelic Exhibition) and the word “Budapest” above the stamp. “Az Eucharisztikus Kongresszus Aokaimabol / Szent Isvan Kiraly Jubileumi Edeben/1938” across bottom (On the occassion of the Eucharistic Congress during the Jubilee Year of St. Stephen First King of Hungary).